1474149847 has 4 divisors (see below), whose sum is σ = 1475858880. Its totient is φ = 1472440816.

The previous prime is 1474149841. The next prime is 1474149863. The reversal of 1474149847 is 7489414741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7489414741 = 18043 ⋅415087.

It is a cyclic number.

It is not a de Polignac number, because 1474149847 - 2³ = 1474149839 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1474149847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1474149841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 853222 + ... + 854947.

It is an arithmetic number, because the mean of its divisors is an integer number (368964720).

Almost surely, 2^1474149847 is an apocalyptic number.

1474149847 is a deficient number, since it is larger than the sum of its proper divisors (1709033).

1474149847 is an equidigital number, since it uses as much as digits as its factorization.

1474149847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709032.

The product of its digits is 903168, while the sum is 49.

The square root of 1474149847 is about 38394.6590947231. The cubic root of 1474149847 is about 1138.1003159334.

It can be divided in two parts, 1474 and 149847, that added together give a square (151321 = 389²).

The spelling of 1474149847 in words is "one billion, four hundred seventy-four million, one hundred forty-nine thousand, eight hundred forty-seven".