5640513874 has 4 divisors (see below), whose sum is σ = 8460770814. Its totient is φ = 2820256936.

The previous prime is 5640513841. The next prime is 5640513959. The reversal of 5640513874 is 4783150465.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5499260649 + 141253225 = 74157^2 + 11885^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5640513874.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1410128467 + ... + 1410128470.

Almost surely, 2^5640513874 is an apocalyptic number.

5640513874 is a deficient number, since it is larger than the sum of its proper divisors (2820256940).

5640513874 is a wasteful number, since it uses less digits than its factorization.

5640513874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820256939.

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 5640513874 is about 75103.3546121610. The cubic root of 5640513874 is about 1780.0801497807.

The spelling of 5640513874 in words is "five billion, six hundred forty million, five hundred thirteen thousand, eight hundred seventy-four".