4931428637 has 2 divisors, whose sum is σ = 4931428638. Its totient is φ = 4931428636.

The previous prime is 4931428591. The next prime is 4931428639. The reversal of 4931428637 is 7368241394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4164637156 + 766791481 = 64534^2 + 27691^2 .

It is a cyclic number.

It is not a de Polignac number, because 4931428637 - 2²⁰ = 4930380061 is a prime.

Together with 4931428639, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4931428591 and 4931428600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4931428639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2465714318 + 2465714319.

It is an arithmetic number, because the mean of its divisors is an integer number (2465714319).

Almost surely, 2^4931428637 is an apocalyptic number.

It is an amenable number.

4931428637 is a deficient number, since it is larger than the sum of its proper divisors (1).

4931428637 is an equidigital number, since it uses as much as digits as its factorization.

4931428637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 47.

The square root of 4931428637 is about 70224.1314435430. The cubic root of 4931428637 is about 1702.1229115329.

The spelling of 4931428637 in words is "four billion, nine hundred thirty-one million, four hundred twenty-eight thousand, six hundred thirty-seven".