4645620051 has 4 divisors (see below), whose sum is σ = 6194160072. Its totient is φ = 3097080032.

The previous prime is 4645620019. The next prime is 4645620059. The reversal of 4645620051 is 1500265464.

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 4645620051 - 2⁵ = 4645620019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4645619994 and 4645620021.

It is not an unprimeable number, because it can be changed into a prime (4645620059) 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, 774270006 + ... + 774270011.

It is an arithmetic number, because the mean of its divisors is an integer number (1548540018).

Almost surely, 2^4645620051 is an apocalyptic number.

4645620051 is a deficient number, since it is larger than the sum of its proper divisors (1548540021).

4645620051 is a wasteful number, since it uses less digits than its factorization.

4645620051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548540020.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 4645620051 is about 68158.7855745684. The cubic root of 4645620051 is about 1668.5833122680.

The spelling of 4645620051 in words is "four billion, six hundred forty-five million, six hundred twenty thousand, fifty-one".