2537666943 has 16 divisors (see below), whose sum is σ = 3880594176. Its totient is φ = 1444968000.

The previous prime is 2537666903. The next prime is 2537666951. The reversal of 2537666943 is 3496667352.

It is a happy number.

It is not a de Polignac number, because 2537666943 - 2¹² = 2537662847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2537666903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207558 + ... + 219443.

It is an arithmetic number, because the mean of its divisors is an integer number (242537136).

Almost surely, 2^2537666943 is an apocalyptic number.

2537666943 is a deficient number, since it is larger than the sum of its proper divisors (1342927233).

2537666943 is a wasteful number, since it uses less digits than its factorization.

2537666943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427294.

The product of its digits is 4898880, while the sum is 51.

The square root of 2537666943 is about 50375.2612201664. The cubic root of 2537666943 is about 1363.9911132438.

The spelling of 2537666943 in words is "two billion, five hundred thirty-seven million, six hundred sixty-six thousand, nine hundred forty-three".