2137605465 has 32 divisors (see below), whose sum is σ = 3612635136. Its totient is φ = 1077612480.

The previous prime is 2137605461. The next prime is 2137605499. The reversal of 2137605465 is 5645067312.

It is not a de Polignac number, because 2137605465 - 2² = 2137605461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2137605461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33459 + ... + 73448.

It is an arithmetic number, because the mean of its divisors is an integer number (112894848).

Almost surely, 2^2137605465 is an apocalyptic number.

It is an amenable number.

2137605465 is a deficient number, since it is larger than the sum of its proper divisors (1475029671).

2137605465 is a wasteful number, since it uses less digits than its factorization.

2137605465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106989.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 2137605465 is about 46234.2455870105. The cubic root of 2137605465 is about 1288.1779185392.

The spelling of 2137605465 in words is "two billion, one hundred thirty-seven million, six hundred five thousand, four hundred sixty-five".