15447274451 has 24 divisors (see below), whose sum is σ = 19035501120. Its totient is φ = 12455638272.

The previous prime is 15447274441. The next prime is 15447274471.

15447274451 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 15447274451 - 2¹⁰ = 15447273427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15447274441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2686886 + ... + 2692628.

It is an arithmetic number, because the mean of its divisors is an integer number (793145880).

Almost surely, 2^15447274451 is an apocalyptic number.

15447274451 is a deficient number, since it is larger than the sum of its proper divisors (3588226669).

15447274451 is a wasteful number, since it uses less digits than its factorization.

15447274451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9003 (or 8996 counting only the distinct ones).

The product of its digits is 627200, while the sum is 44.

The spelling of 15447274451 in words is "fifteen billion, four hundred forty-seven million, two hundred seventy-four thousand, four hundred fifty-one".