634676541413 has 4 divisors (see below), whose sum is σ = 634685411520. Its totient is φ = 634667671308.

The previous prime is 634676541397. The next prime is 634676541427. The reversal of 634676541413 is 314145676436.

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 634676541413 - 2⁴ = 634676541397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634676541013) 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, 4326845 + ... + 4471122.

It is an arithmetic number, because the mean of its divisors is an integer number (158671352880).

Almost surely, 2^634676541413 is an apocalyptic number.

It is an amenable number.

634676541413 is a deficient number, since it is larger than the sum of its proper divisors (8870107).

634676541413 is an equidigital number, since it uses as much as digits as its factorization.

634676541413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8870106.

The product of its digits is 4354560, while the sum is 50.

The spelling of 634676541413 in words is "six hundred thirty-four billion, six hundred seventy-six million, five hundred forty-one thousand, four hundred thirteen".