2137682437 has 18 divisors (see below), whose sum is σ = 2416686342. Its totient is φ = 1888088400.

The previous prime is 2137682429. The next prime is 2137682441. The reversal of 2137682437 is 7342867312.

It can be written as a sum of positive squares in only one way, i.e., 2079907236 + 57775201 = 45606^2 + 7601^2 .

It is not a de Polignac number, because 2137682437 - 2³ = 2137682429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2137682393 and 2137682402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137682467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3093262 + ... + 3093952.

Almost surely, 2^2137682437 is an apocalyptic number.

It is an amenable number.

2137682437 is a deficient number, since it is larger than the sum of its proper divisors (279003905).

2137682437 is an frugal number, since it uses more digits than its factorization.

2137682437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441 (or 739 counting only the distinct ones).

The product of its digits is 338688, while the sum is 43.

The square root of 2137682437 is about 46235.0779927968. The cubic root of 2137682437 is about 1288.1933801453.

The spelling of 2137682437 in words is "two billion, one hundred thirty-seven million, six hundred eighty-two thousand, four hundred thirty-seven".