4915902857 has 2 divisors, whose sum is σ = 4915902858. Its totient is φ = 4915902856.

The previous prime is 4915902847. The next prime is 4915902863. The reversal of 4915902857 is 7582095194.

4915902857 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4202799241 + 713103616 = 64829^2 + 26704^2 .

It is a cyclic number.

It is not a de Polignac number, because 4915902857 - 2¹⁶ = 4915837321 is a prime.

It is a super-2 number, since 2×4915902857² = 48332201798921524898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4915902847) 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, 2457951428 + 2457951429.

It is an arithmetic number, because the mean of its divisors is an integer number (2457951429).

Almost surely, 2^4915902857 is an apocalyptic number.

It is an amenable number.

4915902857 is a deficient number, since it is larger than the sum of its proper divisors (1).

4915902857 is an equidigital number, since it uses as much as digits as its factorization.

4915902857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 50.

The square root of 4915902857 is about 70113.4998199348. The cubic root of 4915902857 is about 1700.3347503423.

The spelling of 4915902857 in words is "four billion, nine hundred fifteen million, nine hundred two thousand, eight hundred fifty-seven".