537494889 has 16 divisors (see below), whose sum is σ = 761933952. Its totient is φ = 336281088.

The previous prime is 537494879. The next prime is 537494917. The reversal of 537494889 is 988494735.

It is not a de Polignac number, because 537494889 - 2⁴ = 537494873 is a prime.

It is a super-2 number, since 2×537494889² = 577801511402244642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (537494849) 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, 69832 + ... + 77145.

It is an arithmetic number, because the mean of its divisors is an integer number (47620872).

Almost surely, 2^537494889 is an apocalyptic number.

It is an amenable number.

537494889 is a deficient number, since it is larger than the sum of its proper divisors (224439063).

537494889 is a wasteful number, since it uses less digits than its factorization.

537494889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147056.

The product of its digits is 8709120, while the sum is 57.

The square root of 537494889 is about 23183.9360118165. The cubic root of 537494889 is about 813.0640887252.

The spelling of 537494889 in words is "five hundred thirty-seven million, four hundred ninety-four thousand, eight hundred eighty-nine".