5120651807 has 4 divisors (see below), whose sum is σ = 5121413736. Its totient is φ = 5119889880.

The previous prime is 5120651803. The next prime is 5120651819. The reversal of 5120651807 is 7081560215.

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

It is a cyclic number.

It is not a de Polignac number, because 5120651807 - 2² = 5120651803 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 (5120651803) 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, 370793 + ... + 384354.

It is an arithmetic number, because the mean of its divisors is an integer number (1280353434).

Almost surely, 2^5120651807 is an apocalyptic number.

5120651807 is a deficient number, since it is larger than the sum of its proper divisors (761929).

5120651807 is an equidigital number, since it uses as much as digits as its factorization.

5120651807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761928.

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 5120651807 is about 71558.7297749198. The cubic root of 5120651807 is about 1723.6208882768.

The spelling of 5120651807 in words is "five billion, one hundred twenty million, six hundred fifty-one thousand, eight hundred seven".