5640467247 has 12 divisors (see below), whose sum is σ = 8626597200. Its totient is φ = 3539116608.

The previous prime is 5640467221. The next prime is 5640467249. The reversal of 5640467247 is 7427640465.

5640467247 is a `hidden beast` number, since 564 + 0 + 4 + 67 + 24 + 7 = 666.

It is not a de Polignac number, because 5640467247 - 2⁸ = 5640466991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640467249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18432747 + ... + 18433052.

It is an arithmetic number, because the mean of its divisors is an integer number (718883100).

Almost surely, 2^5640467247 is an apocalyptic number.

5640467247 is a deficient number, since it is larger than the sum of its proper divisors (2986129953).

5640467247 is a wasteful number, since it uses less digits than its factorization.

5640467247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36865822 (or 36865819 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The square root of 5640467247 is about 75103.0441926291. The cubic root of 5640467247 is about 1780.0752447887.

The spelling of 5640467247 in words is "five billion, six hundred forty million, four hundred sixty-seven thousand, two hundred forty-seven".