634028162039 has 2 divisors, whose sum is σ = 634028162040. Its totient is φ = 634028162038.

The previous prime is 634028162003. The next prime is 634028162167. The reversal of 634028162039 is 930261820436.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-634028162039 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634028162839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317014081019 + 317014081020.

It is an arithmetic number, because the mean of its divisors is an integer number (317014081020).

Almost surely, 2^634028162039 is an apocalyptic number.

634028162039 is a deficient number, since it is larger than the sum of its proper divisors (1).

634028162039 is an equidigital number, since it uses as much as digits as its factorization.

634028162039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 634028162039 in words is "six hundred thirty-four billion, twenty-eight million, one hundred sixty-two thousand, thirty-nine".