2137399061 has 24 divisors (see below), whose sum is σ = 2519133696. Its totient is φ = 1808076480.

The previous prime is 2137399037. The next prime is 2137399073. The reversal of 2137399061 is 1609937312.

It is not a de Polignac number, because 2137399061 - 2³⁰ = 1063657237 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 (2137399031) 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 23 ways as a sum of consecutive naturals, for example, 1281350 + ... + 1283016.

It is an arithmetic number, because the mean of its divisors is an integer number (104963904).

Almost surely, 2^2137399061 is an apocalyptic number.

It is an amenable number.

2137399061 is a deficient number, since it is larger than the sum of its proper divisors (381734635).

2137399061 is a wasteful number, since it uses less digits than its factorization.

2137399061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009 (or 2002 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 2137399061 is about 46232.0133781777. The cubic root of 2137399061 is about 1288.1364556909.

The spelling of 2137399061 in words is "two billion, one hundred thirty-seven million, three hundred ninety-nine thousand, sixty-one".