2638016763 has 16 divisors (see below), whose sum is σ = 3680160000. Its totient is φ = 1677687264.

The previous prime is 2638016741. The next prime is 2638016767. The reversal of 2638016763 is 3676108362.

It is not a de Polignac number, because 2638016763 - 2⁶ = 2638016699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2638016767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25513 + ... + 76986.

It is an arithmetic number, because the mean of its divisors is an integer number (230010000).

Almost surely, 2^2638016763 is an apocalyptic number.

2638016763 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2638016763 is a deficient number, since it is larger than the sum of its proper divisors (1042143237).

2638016763 is a wasteful number, since it uses less digits than its factorization.

2638016763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102898.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 2638016763 is about 51361.6273398731. The cubic root of 2638016763 is about 1381.7384732668.

The spelling of 2638016763 in words is "two billion, six hundred thirty-eight million, sixteen thousand, seven hundred sixty-three".