4621940651 has 2 divisors, whose sum is σ = 4621940652. Its totient is φ = 4621940650.

The previous prime is 4621940639. The next prime is 4621940693. The reversal of 4621940651 is 1560491264.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4621940651 - 2³⁰ = 3548198827 is a prime.

It is not a weakly prime, because it can be changed into another prime (4621940251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2310970325 + 2310970326.

It is an arithmetic number, because the mean of its divisors is an integer number (2310970326).

Almost surely, 2^4621940651 is an apocalyptic number.

4621940651 is a deficient number, since it is larger than the sum of its proper divisors (1).

4621940651 is an equidigital number, since it uses as much as digits as its factorization.

4621940651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 4621940651 is about 67984.8560416215. The cubic root of 4621940651 is about 1665.7434779591.

The spelling of 4621940651 in words is "four billion, six hundred twenty-one million, nine hundred forty thousand, six hundred fifty-one".