2642763245 has 8 divisors (see below), whose sum is σ = 3173166816. Its totient is φ = 2112976656.

The previous prime is 2642763239. The next prime is 2642763251. The reversal of 2642763245 is 5423672462.

It is an interprime number because it is at equal distance from previous prime (2642763239) and next prime (2642763251).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2642763245 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144767 + ... + 161996.

It is an arithmetic number, because the mean of its divisors is an integer number (396645852).

Almost surely, 2^2642763245 is an apocalyptic number.

It is an amenable number.

2642763245 is a deficient number, since it is larger than the sum of its proper divisors (530403571).

2642763245 is a wasteful number, since it uses less digits than its factorization.

2642763245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308491.

The product of its digits is 483840, while the sum is 41.

The square root of 2642763245 is about 51407.8130735008. The cubic root of 2642763245 is about 1382.5666796916.

The spelling of 2642763245 in words is "two billion, six hundred forty-two million, seven hundred sixty-three thousand, two hundred forty-five".