2137443473 has 16 divisors (see below), whose sum is σ = 2498682816. Its totient is φ = 1806781440.

The previous prime is 2137443467. The next prime is 2137443493. The reversal of 2137443473 is 3743447312.

It is a cyclic number.

It is not a de Polignac number, because 2137443473 - 2⁶ = 2137443409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2137443493) 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, 53336 + ... + 84377.

It is an arithmetic number, because the mean of its divisors is an integer number (156167676).

Almost surely, 2^2137443473 is an apocalyptic number.

It is an amenable number.

2137443473 is a deficient number, since it is larger than the sum of its proper divisors (361239343).

2137443473 is a wasteful number, since it uses less digits than its factorization.

2137443473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137824.

The product of its digits is 169344, while the sum is 38.

The square root of 2137443473 is about 46232.4936922074. The cubic root of 2137443473 is about 1288.1453774877.

The spelling of 2137443473 in words is "two billion, one hundred thirty-seven million, four hundred forty-three thousand, four hundred seventy-three".