5040650645 has 4 divisors (see below), whose sum is σ = 6048780780. Its totient is φ = 4032520512.

The previous prime is 5040650627. The next prime is 5040650669. The reversal of 5040650645 is 5460560405.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1071776644 + 3968874001 = 32738^2 + 62999^2 .

It is a cyclic number.

It is not a de Polignac number, because 5040650645 - 2¹⁸ = 5040388501 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504065060 + ... + 504065069.

It is an arithmetic number, because the mean of its divisors is an integer number (1512195195).

Almost surely, 2^5040650645 is an apocalyptic number.

It is an amenable number.

5040650645 is a deficient number, since it is larger than the sum of its proper divisors (1008130135).

5040650645 is a wasteful number, since it uses less digits than its factorization.

5040650645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008130134.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 5040650645 is about 70997.5397108942. The cubic root of 5040650645 is about 1714.5975528067.

The spelling of 5040650645 in words is "five billion, forty million, six hundred fifty thousand, six hundred forty-five".