5631001629989 has 2 divisors, whose sum is σ = 5631001629990. Its totient is φ = 5631001629988.

The previous prime is 5631001629961. The next prime is 5631001630013. The reversal of 5631001629989 is 9899261001365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5469321240964 + 161680389025 = 2338658^2 + 402095^2 .

It is a cyclic number.

It is not a de Polignac number, because 5631001629989 - 2²⁸ = 5630733194533 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5631001629919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2815500814994 + 2815500814995.

It is an arithmetic number, because the mean of its divisors is an integer number (2815500814995).

Almost surely, 2^{5631001629989} is an apocalyptic number.

It is an amenable number.

5631001629989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5631001629989 is an equidigital number, since it uses as much as digits as its factorization.

5631001629989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6298560, while the sum is 59.

The spelling of 5631001629989 in words is "five trillion, six hundred thirty-one billion, one million, six hundred twenty-nine thousand, nine hundred eighty-nine".