537099909 has 16 divisors (see below), whose sum is σ = 727648512. Its totient is φ = 352332288.

The previous prime is 537099863. The next prime is 537099919. The reversal of 537099909 is 909990735.

It is not a de Polignac number, because 537099909 - 2²⁰ = 536051333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537099919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98749 + ... + 104045.

It is an arithmetic number, because the mean of its divisors is an integer number (45478032).

Almost surely, 2^537099909 is an apocalyptic number.

It is an amenable number.

537099909 is a deficient number, since it is larger than the sum of its proper divisors (190548603).

537099909 is a wasteful number, since it uses less digits than its factorization.

537099909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5836.

The product of its (nonzero) digits is 688905, while the sum is 51.

The square root of 537099909 is about 23175.4160480454. The cubic root of 537099909 is about 812.8648789237.

The spelling of 537099909 in words is "five hundred thirty-seven million, ninety-nine thousand, nine hundred nine".