634444068774 has 16 divisors (see below), whose sum is σ = 1268930002608. Its totient is φ = 211474378752.

The previous prime is 634444068773. The next prime is 634444068829. The reversal of 634444068774 is 477860444436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634444068773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1545627 + ... + 1912550.

It is an arithmetic number, because the mean of its divisors is an integer number (79308125163).

Almost surely, 2^634444068774 is an apocalyptic number.

634444068774 is an abundant number, since it is smaller than the sum of its proper divisors (634485933834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

634444068774 is a wasteful number, since it uses less digits than its factorization.

634444068774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3488759.

The product of its (nonzero) digits is 43352064, while the sum is 57.

The spelling of 634444068774 in words is "six hundred thirty-four billion, four hundred forty-four million, sixty-eight thousand, seven hundred seventy-four".