634044734743 has 16 divisors (see below), whose sum is σ = 727582397440. Its totient is φ = 541251053856.

The previous prime is 634044734737. The next prime is 634044734753. The reversal of 634044734743 is 347437440436.

It is a cyclic number.

It is not a de Polignac number, because 634044734743 - 2⁵ = 634044734711 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 (634044734753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1731505 + ... + 2065477.

It is an arithmetic number, because the mean of its divisors is an integer number (45473899840).

Almost surely, 2^634044734743 is an apocalyptic number.

634044734743 is a deficient number, since it is larger than the sum of its proper divisors (93537662697).

634044734743 is a wasteful number, since it uses less digits than its factorization.

634044734743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335086.

The product of its (nonzero) digits is 8128512, while the sum is 49.

The spelling of 634044734743 in words is "six hundred thirty-four billion, forty-four million, seven hundred thirty-four thousand, seven hundred forty-three".