5647764137 has 4 divisors (see below), whose sum is σ = 5656548240. Its totient is φ = 5638980036.

The previous prime is 5647764131. The next prime is 5647764173. The reversal of 5647764137 is 7314677465.

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 a cyclic number.

It is not a de Polignac number, because 5647764137 - 2⁸ = 5647763881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5647764131) 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, 4391087 + ... + 4392372.

It is an arithmetic number, because the mean of its divisors is an integer number (1414137060).

Almost surely, 2^5647764137 is an apocalyptic number.

It is an amenable number.

5647764137 is a deficient number, since it is larger than the sum of its proper divisors (8784103).

5647764137 is an equidigital number, since it uses as much as digits as its factorization.

5647764137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8784102.

The product of its digits is 2963520, while the sum is 50.

The square root of 5647764137 is about 75151.6076807409. The cubic root of 5647764137 is about 1780.8425226016.

The spelling of 5647764137 in words is "five billion, six hundred forty-seven million, seven hundred sixty-four thousand, one hundred thirty-seven".