5206931091 has 12 divisors (see below), whose sum is σ = 7524837840. Its totient is φ = 3469572720.

The previous prime is 5206931021. The next prime is 5206931113. The reversal of 5206931091 is 1901396025.

It is not a de Polignac number, because 5206931091 - 2¹⁰ = 5206930067 is a prime.

It is a super-2 number, since 2×5206931091² = 54224262772844900562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5206931021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123520 + ... + 160221.

It is an arithmetic number, because the mean of its divisors is an integer number (627069820).

Almost surely, 2^5206931091 is an apocalyptic number.

5206931091 is a deficient number, since it is larger than the sum of its proper divisors (2317906749).

5206931091 is a wasteful number, since it uses less digits than its factorization.

5206931091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285786 (or 285783 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 5206931091 is about 72159.0679748568. The cubic root of 5206931091 is about 1733.2476102289.

The spelling of 5206931091 in words is "five billion, two hundred six million, nine hundred thirty-one thousand, ninety-one".