2634603663 has 4 divisors (see below), whose sum is σ = 3512804888. Its totient is φ = 1756402440.

The previous prime is 2634603623. The next prime is 2634603667. The reversal of 2634603663 is 3663064362.

2634603663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2634603663 - 2¹⁰ = 2634602639 is a prime.

It is a super-2 number, since 2×2634603663² = 13882272922186035138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2634603667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439100608 + ... + 439100613.

It is an arithmetic number, because the mean of its divisors is an integer number (878201222).

Almost surely, 2^2634603663 is an apocalyptic number.

2634603663 is a deficient number, since it is larger than the sum of its proper divisors (878201225).

2634603663 is an equidigital number, since it uses as much as digits as its factorization.

2634603663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878201224.

The product of its (nonzero) digits is 279936, while the sum is 39.

The square root of 2634603663 is about 51328.3904189485. The cubic root of 2634603663 is about 1381.1423124196.

The spelling of 2634603663 in words is "two billion, six hundred thirty-four million, six hundred three thousand, six hundred sixty-three".