1474381643 has 4 divisors (see below), whose sum is σ = 1685007600. Its totient is φ = 1263755688.

The previous prime is 1474381637. The next prime is 1474381693. The reversal of 1474381643 is 3461834741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3461834741 = 34919 ⋅99139.

It is a cyclic number.

It is not a de Polignac number, because 1474381643 - 2¹⁴ = 1474365259 is a prime.

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 1474381643.

It is not an unprimeable number, because it can be changed into a prime (1474381603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105312968 + ... + 105312981.

It is an arithmetic number, because the mean of its divisors is an integer number (421251900).

Almost surely, 2^1474381643 is an apocalyptic number.

1474381643 is a deficient number, since it is larger than the sum of its proper divisors (210625957).

1474381643 is an equidigital number, since it uses as much as digits as its factorization.

1474381643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210625956.

The product of its digits is 193536, while the sum is 41.

The square root of 1474381643 is about 38397.6775729991. The cubic root of 1474381643 is about 1138.1599646128.

The spelling of 1474381643 in words is "one billion, four hundred seventy-four million, three hundred eighty-one thousand, six hundred forty-three".