4981000657 has 2 divisors, whose sum is σ = 4981000658. Its totient is φ = 4981000656.

The previous prime is 4981000649. The next prime is 4981000667. The reversal of 4981000657 is 7560001894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3859018641 + 1121982016 = 62121^2 + 33496^2 .

It is a cyclic number.

It is not a de Polignac number, because 4981000657 - 2³ = 4981000649 is a prime.

It is not a weakly prime, because it can be changed into another prime (4981000627) 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, 2490500328 + 2490500329.

It is an arithmetic number, because the mean of its divisors is an integer number (2490500329).

Almost surely, 2^4981000657 is an apocalyptic number.

It is an amenable number.

4981000657 is a deficient number, since it is larger than the sum of its proper divisors (1).

4981000657 is an equidigital number, since it uses as much as digits as its factorization.

4981000657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 4981000657 is about 70576.2046089190. The cubic root of 4981000657 is about 1707.8073028634.

The spelling of 4981000657 in words is "four billion, nine hundred eighty-one million, six hundred fifty-seven", and thus it is an aban number.