5131641635 has 4 divisors (see below), whose sum is σ = 6157969968. Its totient is φ = 4105313304.

The previous prime is 5131641587. The next prime is 5131641661. The reversal of 5131641635 is 5361461315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5131641635 - 2¹⁰ = 5131640611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5131641595 and 5131641604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513164159 + ... + 513164168.

It is an arithmetic number, because the mean of its divisors is an integer number (1539492492).

Almost surely, 2^5131641635 is an apocalyptic number.

5131641635 is a deficient number, since it is larger than the sum of its proper divisors (1026328333).

5131641635 is a wasteful number, since it uses less digits than its factorization.

5131641635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026328332.

The product of its digits is 32400, while the sum is 35.

The square root of 5131641635 is about 71635.4774884624. The cubic root of 5131641635 is about 1724.8530726920.

The spelling of 5131641635 in words is "five billion, one hundred thirty-one million, six hundred forty-one thousand, six hundred thirty-five".