2642188051 has 8 divisors (see below), whose sum is σ = 2849086800. Its totient is φ = 2442072960.

The previous prime is 2642188039. The next prime is 2642188067. The reversal of 2642188051 is 1508812462.

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

It is a cyclic number.

It is not a de Polignac number, because 2642188051 - 2²⁹ = 2105317139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2642188051.

It is not an unprimeable number, because it can be changed into a prime (2642198051) 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, 1695106 + ... + 1696663.

It is an arithmetic number, because the mean of its divisors is an integer number (356135850).

Almost surely, 2^2642188051 is an apocalyptic number.

2642188051 is a deficient number, since it is larger than the sum of its proper divisors (206898749).

2642188051 is a wasteful number, since it uses less digits than its factorization.

2642188051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3391829.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 2642188051 is about 51402.2183470714. The cubic root of 2642188051 is about 1382.4663677975.

The spelling of 2642188051 in words is "two billion, six hundred forty-two million, one hundred eighty-eight thousand, fifty-one".