1534473047 has 4 divisors (see below), whose sum is σ = 1534958616. Its totient is φ = 1533987480.

The previous prime is 1534473043. The next prime is 1534473049. The reversal of 1534473047 is 7403744351.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1534473047 - 2² = 1534473043 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 1534473047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1534473043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238013 + ... + 244374.

It is an arithmetic number, because the mean of its divisors is an integer number (383739654).

Almost surely, 2^1534473047 is an apocalyptic number.

1534473047 is a deficient number, since it is larger than the sum of its proper divisors (485569).

1534473047 is an equidigital number, since it uses as much as digits as its factorization.

1534473047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485568.

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 1534473047 is about 39172.3505421873. The cubic root of 1534473047 is about 1153.4171948796.

The spelling of 1534473047 in words is "one billion, five hundred thirty-four million, four hundred seventy-three thousand, forty-seven".