2630321536551 has 16 divisors (see below), whose sum is σ = 3664983435264. Its totient is φ = 1674828899744.

The previous prime is 2630321536501. The next prime is 2630321536553. The reversal of 2630321536551 is 1556351230362.

It is a cyclic number.

It is not a de Polignac number, because 2630321536551 - 2¹⁸ = 2630321274407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2630321536553) 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, 28107351 + ... + 28200776.

It is an arithmetic number, because the mean of its divisors is an integer number (229061464704).

Almost surely, 2^{2630321536551} is an apocalyptic number.

2630321536551 is a deficient number, since it is larger than the sum of its proper divisors (1034661898713).

2630321536551 is a wasteful number, since it uses less digits than its factorization.

2630321536551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56308830.

The product of its (nonzero) digits is 486000, while the sum is 42.

The spelling of 2630321536551 in words is "two trillion, six hundred thirty billion, three hundred twenty-one million, five hundred thirty-six thousand, five hundred fifty-one".