1634621306713 has 8 divisors (see below), whose sum is σ = 1656648907200. Its totient is φ = 1612649262768.

The previous prime is 1634621306711. The next prime is 1634621306837. The reversal of 1634621306713 is 3176031264361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1634621306713 - 2¹ = 1634621306711 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 1634621306713.

It is not an unprimeable number, because it can be changed into a prime (1634621306711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13829893 + ... + 13947586.

It is an arithmetic number, because the mean of its divisors is an integer number (207081113400).

Almost surely, 2^{1634621306713} is an apocalyptic number.

It is an amenable number.

1634621306713 is a deficient number, since it is larger than the sum of its proper divisors (22027600487).

1634621306713 is an equidigital number, since it uses as much as digits as its factorization.

1634621306713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27778271.

The product of its (nonzero) digits is 326592, while the sum is 43.

The spelling of 1634621306713 in words is "one trillion, six hundred thirty-four billion, six hundred twenty-one million, three hundred six thousand, seven hundred thirteen".