5162640909 has 4 divisors (see below), whose sum is σ = 6883521216. Its totient is φ = 3441760604.

The previous prime is 5162640887. The next prime is 5162640941. The reversal of 5162640909 is 9090462615.

It is a happy number.

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 5162640909 - 2⁸ = 5162640653 is a prime.

It is a super-2 number, since 2×5162640909² = 53305722310560692562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5162640979) 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, 860440149 + ... + 860440154.

It is an arithmetic number, because the mean of its divisors is an integer number (1720880304).

Almost surely, 2^5162640909 is an apocalyptic number.

It is an amenable number.

5162640909 is a deficient number, since it is larger than the sum of its proper divisors (1720880307).

5162640909 is a wasteful number, since it uses less digits than its factorization.

5162640909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720880306.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 5162640909 is about 71851.5198795405. The cubic root of 5162640909 is about 1728.3192725900.

The spelling of 5162640909 in words is "five billion, one hundred sixty-two million, six hundred forty thousand, nine hundred nine".