5623616651 has 2 divisors, whose sum is σ = 5623616652. Its totient is φ = 5623616650.

The previous prime is 5623616641. The next prime is 5623616701. The reversal of 5623616651 is 1566163265.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5623616651 - 2¹⁸ = 5623354507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5623616599 and 5623616608.

It is not a weakly prime, because it can be changed into another prime (5623616641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2811808325 + 2811808326.

It is an arithmetic number, because the mean of its divisors is an integer number (2811808326).

Almost surely, 2^5623616651 is an apocalyptic number.

5623616651 is a deficient number, since it is larger than the sum of its proper divisors (1).

5623616651 is an equidigital number, since it uses as much as digits as its factorization.

5623616651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 41.

The square root of 5623616651 is about 74990.7771062549. Note that the first 3 decimals coincide. The cubic root of 5623616651 is about 1778.3008499277.

The spelling of 5623616651 in words is "five billion, six hundred twenty-three million, six hundred sixteen thousand, six hundred fifty-one".