4640006551 has 2 divisors, whose sum is σ = 4640006552. Its totient is φ = 4640006550.

The previous prime is 4640006513. The next prime is 4640006563. The reversal of 4640006551 is 1556000464.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4640006551 - 2¹⁵ = 4639973783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4640001551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320003275 + 2320003276.

It is an arithmetic number, because the mean of its divisors is an integer number (2320003276).

Almost surely, 2^4640006551 is an apocalyptic number.

4640006551 is a deficient number, since it is larger than the sum of its proper divisors (1).

4640006551 is an equidigital number, since it uses as much as digits as its factorization.

4640006551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 4640006551 is about 68117.5935496844. The cubic root of 4640006551 is about 1667.9109680284.

The spelling of 4640006551 in words is "four billion, six hundred forty million, six thousand, five hundred fifty-one".