2397639196247 has 16 divisors (see below), whose sum is σ = 2441439386880. Its totient is φ = 2354274217152.

The previous prime is 2397639196229. The next prime is 2397639196259. The reversal of 2397639196247 is 7426919367932.

It is a cyclic number.

It is not a de Polignac number, because 2397639196247 - 2²² = 2397635001943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2397639196747) 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, 12022448 + ... + 12220250.

It is an arithmetic number, because the mean of its divisors is an integer number (152589961680).

Almost surely, 2^{2397639196247} is an apocalyptic number.

2397639196247 is a deficient number, since it is larger than the sum of its proper divisors (43800190633).

2397639196247 is a wasteful number, since it uses less digits than its factorization.

2397639196247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198902.

The product of its digits is 185177664, while the sum is 68.

The spelling of 2397639196247 in words is "two trillion, three hundred ninety-seven billion, six hundred thirty-nine million, one hundred ninety-six thousand, two hundred forty-seven".