4981900457 has 2 divisors, whose sum is σ = 4981900458. Its totient is φ = 4981900456.

The previous prime is 4981900421. The next prime is 4981900471. The reversal of 4981900457 is 7540091894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4377674896 + 604225561 = 66164^2 + 24581^2 .

It is a cyclic number.

It is not a de Polignac number, because 4981900457 - 2¹⁴ = 4981884073 is a prime.

It is not a weakly prime, because it can be changed into another prime (4981920457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2490950228 + 2490950229.

It is an arithmetic number, because the mean of its divisors is an integer number (2490950229).

Almost surely, 2^4981900457 is an apocalyptic number.

It is an amenable number.

4981900457 is a deficient number, since it is larger than the sum of its proper divisors (1).

4981900457 is an equidigital number, since it uses as much as digits as its factorization.

4981900457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 4981900457 is about 70582.5789908530. The cubic root of 4981900457 is about 1707.9101331041.

The spelling of 4981900457 in words is "four billion, nine hundred eighty-one million, nine hundred thousand, four hundred fifty-seven".