4645625987 has 2 divisors, whose sum is σ = 4645625988. Its totient is φ = 4645625986.

The previous prime is 4645625981. The next prime is 4645626031. The reversal of 4645625987 is 7895265464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4645625987 - 2¹⁴ = 4645609603 is a prime.

It is a super-2 number, since 2×4645625987² = 43163681622179448338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4645625981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2322812993 + 2322812994.

It is an arithmetic number, because the mean of its divisors is an integer number (2322812994).

Almost surely, 2^4645625987 is an apocalyptic number.

4645625987 is a deficient number, since it is larger than the sum of its proper divisors (1).

4645625987 is an equidigital number, since it uses as much as digits as its factorization.

4645625987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14515200, while the sum is 56.

The square root of 4645625987 is about 68158.8291199313. The cubic root of 4645625987 is about 1668.5840229522.

The spelling of 4645625987 in words is "four billion, six hundred forty-five million, six hundred twenty-five thousand, nine hundred eighty-seven".