2642897763 has 12 divisors (see below), whose sum is σ = 4164566328. Its totient is φ = 1601756160.

The previous prime is 2642897759. The next prime is 2642897801. The reversal of 2642897763 is 3677982462.

It is not a de Polignac number, because 2642897763 - 2² = 2642897759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2642897263) 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, 13347870 + ... + 13348067.

It is an arithmetic number, because the mean of its divisors is an integer number (347047194).

Almost surely, 2^2642897763 is an apocalyptic number.

2642897763 is a deficient number, since it is larger than the sum of its proper divisors (1521668565).

2642897763 is a wasteful number, since it uses less digits than its factorization.

2642897763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26695954 (or 26695951 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The square root of 2642897763 is about 51409.1213988335. The cubic root of 2642897763 is about 1382.5901370772.

The spelling of 2642897763 in words is "two billion, six hundred forty-two million, eight hundred ninety-seven thousand, seven hundred sixty-three".