537395493 has 4 divisors (see below), whose sum is σ = 716527328. Its totient is φ = 358263660.

The previous prime is 537395489. The next prime is 537395501. The reversal of 537395493 is 394593735.

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 not a de Polignac number, because 537395493 - 2² = 537395489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537395093) 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, 89565913 + ... + 89565918.

It is an arithmetic number, because the mean of its divisors is an integer number (179131832).

Almost surely, 2^537395493 is an apocalyptic number.

It is an amenable number.

537395493 is a deficient number, since it is larger than the sum of its proper divisors (179131835).

537395493 is a wasteful number, since it uses less digits than its factorization.

537395493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179131834.

The product of its digits is 1530900, while the sum is 48.

The square root of 537395493 is about 23181.7922732476. The cubic root of 537395493 is about 813.0139671322.

The spelling of 537395493 in words is "five hundred thirty-seven million, three hundred ninety-five thousand, four hundred ninety-three".