2136624465 has 16 divisors (see below), whose sum is σ = 3491336448. Its totient is φ = 1115287296.

The previous prime is 2136624443. The next prime is 2136624467. The reversal of 2136624465 is 5644266312.

It is not a de Polignac number, because 2136624465 - 2⁶ = 2136624401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2136624467) 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, 1514632 + ... + 1516041.

It is an arithmetic number, because the mean of its divisors is an integer number (218208528).

Almost surely, 2^2136624465 is an apocalyptic number.

It is an amenable number.

2136624465 is a deficient number, since it is larger than the sum of its proper divisors (1354711983).

2136624465 is a wasteful number, since it uses less digits than its factorization.

2136624465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030728.

The product of its digits is 207360, while the sum is 39.

The square root of 2136624465 is about 46223.6353503270. The cubic root of 2136624465 is about 1287.9808294875.

The spelling of 2136624465 in words is "two billion, one hundred thirty-six million, six hundred twenty-four thousand, four hundred sixty-five".