2642902653 has 32 divisors (see below), whose sum is σ = 3774972672. Its totient is φ = 1641024000.

The previous prime is 2642902649. The next prime is 2642902657. The reversal of 2642902653 is 3562092462.

It is an interprime number because it is at equal distance from previous prime (2642902649) and next prime (2642902657).

It is not a de Polignac number, because 2642902653 - 2² = 2642902649 is a prime.

It is a super-3 number, since 3×2642902653³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642902657) 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, 422001 + ... + 428217.

It is an arithmetic number, because the mean of its divisors is an integer number (117967896).

Almost surely, 2^2642902653 is an apocalyptic number.

2642902653 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2642902653 is a deficient number, since it is larger than the sum of its proper divisors (1132070019).

2642902653 is a wasteful number, since it uses less digits than its factorization.

2642902653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6405.

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 2642902653 is about 51409.1689584650. The cubic root of 2642902653 is about 1382.5909897854.

The spelling of 2642902653 in words is "two billion, six hundred forty-two million, nine hundred two thousand, six hundred fifty-three".