2630211663493 has 4 divisors (see below), whose sum is σ = 2650921991680. Its totient is φ = 2609501335308.

The previous prime is 2630211663491. The next prime is 2630211663509. The reversal of 2630211663493 is 3943661120362.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2630211663493 - 2¹ = 2630211663491 is a prime.

It is a super-2 number, since 2×2630211663493² (a number of 26 digits) 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 (2630211663491) 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, 10355163903 + ... + 10355164156.

It is an arithmetic number, because the mean of its divisors is an integer number (662730497920).

Almost surely, 2^{2630211663493} is an apocalyptic number.

It is an amenable number.

2630211663493 is a deficient number, since it is larger than the sum of its proper divisors (20710328187).

2630211663493 is a wasteful number, since it uses less digits than its factorization.

2630211663493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20710328186.

The product of its (nonzero) digits is 839808, while the sum is 46.

The spelling of 2630211663493 in words is "two trillion, six hundred thirty billion, two hundred eleven million, six hundred sixty-three thousand, four hundred ninety-three".