2150639663 has 4 divisors (see below), whose sum is σ = 2220015168. Its totient is φ = 2081264160.

The previous prime is 2150639653. The next prime is 2150639693. The reversal of 2150639663 is 3669360512.

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

It is a cyclic number.

It is not a de Polignac number, because 2150639663 - 2²⁴ = 2133862447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2150639663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150639653) 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, 34687706 + ... + 34687767.

It is an arithmetic number, because the mean of its divisors is an integer number (555003792).

Almost surely, 2^2150639663 is an apocalyptic number.

2150639663 is a deficient number, since it is larger than the sum of its proper divisors (69375505).

2150639663 is an equidigital number, since it uses as much as digits as its factorization.

2150639663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69375504.

The product of its (nonzero) digits is 174960, while the sum is 41.

The square root of 2150639663 is about 46374.9896280312. The cubic root of 2150639663 is about 1290.7908663218.

The spelling of 2150639663 in words is "two billion, one hundred fifty million, six hundred thirty-nine thousand, six hundred sixty-three".