2642363253 has 12 divisors (see below), whose sum is σ = 3817240128. Its totient is φ = 1761347880.

The previous prime is 2642363221. The next prime is 2642363263. The reversal of 2642363253 is 3523632462.

2642363253 is a `hidden beast` number, since 2 + 6 + 42 + 363 + 253 = 666.

It is not a de Polignac number, because 2642363253 - 2⁵ = 2642363221 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642363263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83926 + ... + 111032.

It is an arithmetic number, because the mean of its divisors is an integer number (318103344).

Almost surely, 2^2642363253 is an apocalyptic number.

It is an amenable number.

2642363253 is a deficient number, since it is larger than the sum of its proper divisors (1174876875).

2642363253 is a wasteful number, since it uses less digits than its factorization.

2642363253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37944 (or 37941 counting only the distinct ones).

The product of its digits is 155520, while the sum is 36.

The square root of 2642363253 is about 51403.9225448798. The cubic root of 2642363253 is about 1382.4969239773.

It can be divided in two parts, 26423 and 63253, that added together give a triangular number (89676 = T₄₂₃).

The spelling of 2642363253 in words is "two billion, six hundred forty-two million, three hundred sixty-three thousand, two hundred fifty-three".