5091031509 has 4 divisors (see below), whose sum is σ = 6788042016. Its totient is φ = 3394021004.

The previous prime is 5091031501. The next prime is 5091031537. The reversal of 5091031509 is 9051301905.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5091031509 - 2³ = 5091031501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5091031509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5091031501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848505249 + ... + 848505254.

It is an arithmetic number, because the mean of its divisors is an integer number (1697010504).

Almost surely, 2^5091031509 is an apocalyptic number.

It is an amenable number.

5091031509 is a deficient number, since it is larger than the sum of its proper divisors (1697010507).

5091031509 is a wasteful number, since it uses less digits than its factorization.

5091031509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697010506.

The product of its (nonzero) digits is 6075, while the sum is 33.

The square root of 5091031509 is about 71351.4646591084. The cubic root of 5091031509 is about 1720.2910437951.

The spelling of 5091031509 in words is "five billion, ninety-one million, thirty-one thousand, five hundred nine".