5171649631 has 2 divisors, whose sum is σ = 5171649632. Its totient is φ = 5171649630.

The previous prime is 5171649599. The next prime is 5171649649. The reversal of 5171649631 is 1369461715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5171649631 - 2⁵ = 5171649599 is a prime.

It is a super-2 number, since 2×5171649631² = 53491919811644872322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5171649331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2585824815 + 2585824816.

It is an arithmetic number, because the mean of its divisors is an integer number (2585824816).

Almost surely, 2^5171649631 is an apocalyptic number.

5171649631 is a deficient number, since it is larger than the sum of its proper divisors (1).

5171649631 is an equidigital number, since it uses as much as digits as its factorization.

5171649631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 43.

The square root of 5171649631 is about 71914.1824051418. The cubic root of 5171649631 is about 1729.3239844849.

The spelling of 5171649631 in words is "five billion, one hundred seventy-one million, six hundred forty-nine thousand, six hundred thirty-one".