4981696957 has 2 divisors, whose sum is σ = 4981696958. Its totient is φ = 4981696956.

The previous prime is 4981696903. The next prime is 4981696961. The reversal of 4981696957 is 7596961894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4886848836 + 94848121 = 69906^2 + 9739^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4981696957 is a prime.

It is a super-3 number, since 3×4981696957³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4981396957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2490848478 + 2490848479.

It is an arithmetic number, because the mean of its divisors is an integer number (2490848479).

Almost surely, 2^4981696957 is an apocalyptic number.

It is an amenable number.

4981696957 is a deficient number, since it is larger than the sum of its proper divisors (1).

4981696957 is an equidigital number, since it uses as much as digits as its factorization.

4981696957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29393280, while the sum is 64.

The square root of 4981696957 is about 70581.1374022833. The cubic root of 4981696957 is about 1707.8868779596.

The spelling of 4981696957 in words is "four billion, nine hundred eighty-one million, six hundred ninety-six thousand, nine hundred fifty-seven".