2638182965 has 24 divisors (see below), whose sum is σ = 3662947680. Its totient is φ = 1817687520.

The previous prime is 2638182949. The next prime is 2638182973. The reversal of 2638182965 is 5692818362.

It is not a de Polignac number, because 2638182965 - 2⁴ = 2638182949 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103259 + ... + 126248.

It is an arithmetic number, because the mean of its divisors is an integer number (152622820).

Almost surely, 2^2638182965 is an apocalyptic number.

It is an amenable number.

2638182965 is a deficient number, since it is larger than the sum of its proper divisors (1024764715).

2638182965 is a wasteful number, since it uses less digits than its factorization.

2638182965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229553 (or 229542 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The square root of 2638182965 is about 51363.2452732496. The cubic root of 2638182965 is about 1381.7674903778.

The spelling of 2638182965 in words is "two billion, six hundred thirty-eight million, one hundred eighty-two thousand, nine hundred sixty-five".