2137871712 has 48 divisors (see below), whose sum is σ = 5855915520. Its totient is φ = 681639552.

The previous prime is 2137871707. The next prime is 2137871713. The reversal of 2137871712 is 2171787312.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137871713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481912 + ... + 486327.

It is an arithmetic number, because the mean of its divisors is an integer number (121998240).

Almost surely, 2^2137871712 is an apocalyptic number.

It is an amenable number.

2137871712 is an abundant number, since it is smaller than the sum of its proper divisors (3718043808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2137871712 is a wasteful number, since it uses less digits than its factorization.

2137871712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968275 (or 968267 counting only the distinct ones).

The product of its digits is 32928, while the sum is 39.

The square root of 2137871712 is about 46237.1248241064. The cubic root of 2137871712 is about 1288.2313988272.

The spelling of 2137871712 in words is "two billion, one hundred thirty-seven million, eight hundred seventy-one thousand, seven hundred twelve".