397264730051 has 16 divisors (see below), whose sum is σ = 461388672000. Its totient is φ = 335014213248.

The previous prime is 397264730047. The next prime is 397264730069. The reversal of 397264730051 is 150037462793.

It is a cyclic number.

It is not a de Polignac number, because 397264730051 - 2² = 397264730047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 397264729978 and 397264730005.

It is not an unprimeable number, because it can be changed into a prime (397264730851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1112726 + ... + 1425723.

It is an arithmetic number, because the mean of its divisors is an integer number (28836792000).

Almost surely, 2^397264730051 is an apocalyptic number.

397264730051 is a deficient number, since it is larger than the sum of its proper divisors (64123941949).

397264730051 is a wasteful number, since it uses less digits than its factorization.

397264730051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2538818.

The product of its (nonzero) digits is 952560, while the sum is 47.

The spelling of 397264730051 in words is "three hundred ninety-seven billion, two hundred sixty-four million, seven hundred thirty thousand, fifty-one".