5640512677 has 4 divisors (see below), whose sum is σ = 5695275040. Its totient is φ = 5585750316.

The previous prime is 5640512641. The next prime is 5640512699. The reversal of 5640512677 is 7762150465.

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 a de Polignac number, because none of the positive numbers 2^k-5640512677 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 (5640512177) 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, 27381027 + ... + 27381232.

It is an arithmetic number, because the mean of its divisors is an integer number (1423818760).

Almost surely, 2^5640512677 is an apocalyptic number.

It is an amenable number.

5640512677 is a deficient number, since it is larger than the sum of its proper divisors (54762363).

5640512677 is a wasteful number, since it uses less digits than its factorization.

5640512677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54762362.

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 5640512677 is about 75103.3466431423. The cubic root of 5640512677 is about 1780.0800238609.

The spelling of 5640512677 in words is "five billion, six hundred forty million, five hundred twelve thousand, six hundred seventy-seven".