5309921631 has 16 divisors (see below), whose sum is σ = 8095702784. Its totient is φ = 3032593344.

The previous prime is 5309921629. The next prime is 5309921647. The reversal of 5309921631 is 1361299035.

It is not a de Polignac number, because 5309921631 - 2¹ = 5309921629 is a prime.

It is a super-2 number, since 2×5309921631² = 56390535454723400322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5309921631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5309921671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28510 + ... + 106923.

It is an arithmetic number, because the mean of its divisors is an integer number (505981424).

Almost surely, 2^5309921631 is an apocalyptic number.

5309921631 is a deficient number, since it is larger than the sum of its proper divisors (2785781153).

5309921631 is a wasteful number, since it uses less digits than its factorization.

5309921631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137310.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 5309921631 is about 72869.2090735175. The cubic root of 5309921631 is about 1744.6006788455.

The spelling of 5309921631 in words is "five billion, three hundred nine million, nine hundred twenty-one thousand, six hundred thirty-one".