15648073397 has 8 divisors (see below), whose sum is σ = 17359958880. Its totient is φ = 13984410160.

The previous prime is 15648073393. The next prime is 15648073403. The reversal of 15648073397 is 79337084651.

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 15648073397 - 2² = 15648073393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15648073393) 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, 12054878 + ... + 12056175.

It is an arithmetic number, because the mean of its divisors is an integer number (2169994860).

Almost surely, 2^15648073397 is an apocalyptic number.

It is an amenable number.

15648073397 is a deficient number, since it is larger than the sum of its proper divisors (1711885483).

15648073397 is a wasteful number, since it uses less digits than its factorization.

15648073397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24111123.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 15648073397 in words is "fifteen billion, six hundred forty-eight million, seventy-three thousand, three hundred ninety-seven".