2642008251 has 8 divisors (see below), whose sum is σ = 3546320400. Its totient is φ = 1749517472.

The previous prime is 2642008241. The next prime is 2642008277. The reversal of 2642008251 is 1528002462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2642008251 - 2²³ = 2633619643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2642008231) 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, 2954820 + ... + 2955713.

It is an arithmetic number, because the mean of its divisors is an integer number (443290050).

Almost surely, 2^2642008251 is an apocalyptic number.

2642008251 is a deficient number, since it is larger than the sum of its proper divisors (904312149).

2642008251 is a wasteful number, since it uses less digits than its factorization.

2642008251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5910685.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 2642008251 is about 51400.4693655612. The cubic root of 2642008251 is about 1382.4350082972.

The spelling of 2642008251 in words is "two billion, six hundred forty-two million, eight thousand, two hundred fifty-one".