15452940674 has 4 divisors (see below), whose sum is σ = 23179411014. Its totient is φ = 7726470336.

The previous prime is 15452940661. The next prime is 15452940689. The reversal of 15452940674 is 47604925451.

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

It can be written as a sum of positive squares in only one way, i.e., 15102689449 + 350251225 = 122893^2 + 18715^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3863235167 + ... + 3863235170.

Almost surely, 2^15452940674 is an apocalyptic number.

15452940674 is a deficient number, since it is larger than the sum of its proper divisors (7726470340).

15452940674 is an equidigital number, since it uses as much as digits as its factorization.

15452940674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7726470339.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 15452940674 in words is "fifteen billion, four hundred fifty-two million, nine hundred forty thousand, six hundred seventy-four".