634051280413 has 4 divisors (see below), whose sum is σ = 634066045920. Its totient is φ = 634036514908.

The previous prime is 634051280377. The next prime is 634051280477. The reversal of 634051280413 is 314082150436.

634051280413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 634051280413 - 2²⁹ = 633514409501 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 (634951280413) 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, 7318153 + ... + 7404286.

It is an arithmetic number, because the mean of its divisors is an integer number (158516511480).

Almost surely, 2^634051280413 is an apocalyptic number.

It is an amenable number.

634051280413 is a deficient number, since it is larger than the sum of its proper divisors (14765507).

634051280413 is a wasteful number, since it uses less digits than its factorization.

634051280413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14765506.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 634051280413 in words is "six hundred thirty-four billion, fifty-one million, two hundred eighty thousand, four hundred thirteen".