634055085371 has 4 divisors (see below), whose sum is σ = 671352443352. Its totient is φ = 596757727392.

The previous prime is 634055085259. The next prime is 634055085437. The reversal of 634055085371 is 173580550436.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 634055085371 - 2¹⁰ = 634055084347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634055085571) 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, 18648678965 + ... + 18648678998.

It is an arithmetic number, because the mean of its divisors is an integer number (167838110838).

Almost surely, 2^634055085371 is an apocalyptic number.

634055085371 is a deficient number, since it is larger than the sum of its proper divisors (37297357981).

634055085371 is a wasteful number, since it uses less digits than its factorization.

634055085371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37297357980.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 634055085371 in words is "six hundred thirty-four billion, fifty-five million, eighty-five thousand, three hundred seventy-one".