2537818823 has 4 divisors (see below), whose sum is σ = 2537948400. Its totient is φ = 2537689248.

The previous prime is 2537818783. The next prime is 2537818841. The reversal of 2537818823 is 3288187352.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2537818823 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 (2537811823) 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, 28715 + ... + 76812.

It is an arithmetic number, because the mean of its divisors is an integer number (634487100).

Almost surely, 2^2537818823 is an apocalyptic number.

2537818823 is a deficient number, since it is larger than the sum of its proper divisors (129577).

2537818823 is a wasteful number, since it uses less digits than its factorization.

2537818823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129576.

The product of its digits is 645120, while the sum is 47.

The square root of 2537818823 is about 50376.7686835907. The cubic root of 2537818823 is about 1364.0183244371.

The spelling of 2537818823 in words is "two billion, five hundred thirty-seven million, eight hundred eighteen thousand, eight hundred twenty-three".