15314997397 has 8 divisors (see below), whose sum is σ = 17543279936. Its totient is φ = 13096821312.

The previous prime is 15314997389. The next prime is 15314997421. The reversal of 15314997397 is 79379941351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15314997397 - 2³ = 15314997389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15314992397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2523363 + ... + 2529424.

It is an arithmetic number, because the mean of its divisors is an integer number (2192909992).

Almost surely, 2^15314997397 is an apocalyptic number.

It is an amenable number.

15314997397 is a deficient number, since it is larger than the sum of its proper divisors (2228282539).

15314997397 is an equidigital number, since it uses as much as digits as its factorization.

15314997397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5053227.

The product of its digits is 6429780, while the sum is 58.

The spelling of 15314997397 in words is "fifteen billion, three hundred fourteen million, nine hundred ninety-seven thousand, three hundred ninety-seven".