36568847397 has 4 divisors (see below), whose sum is σ = 48758463200. Its totient is φ = 24379231596.

The previous prime is 36568847389. The next prime is 36568847443. The reversal of 36568847397 is 79374886563.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 36568847397 - 2³ = 36568847389 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 (36568847317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6094807897 + ... + 6094807902.

It is an arithmetic number, because the mean of its divisors is an integer number (12189615800).

Almost surely, 2^36568847397 is an apocalyptic number.

It is an amenable number.

36568847397 is a deficient number, since it is larger than the sum of its proper divisors (12189615803).

36568847397 is a wasteful number, since it uses less digits than its factorization.

36568847397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12189615802.

The product of its digits is 182891520, while the sum is 66.

The spelling of 36568847397 in words is "thirty-six billion, five hundred sixty-eight million, eight hundred forty-seven thousand, three hundred ninety-seven".