634013442273 has 24 divisors (see below), whose sum is σ = 910505998368. Its totient is φ = 391069664128.

The previous prime is 634013442259. The next prime is 634013442281. The reversal of 634013442273 is 372244310436.

It is not a de Polignac number, because 634013442273 - 2⁸ = 634013442017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (634013442233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1608111 + ... + 1963172.

It is an arithmetic number, because the mean of its divisors is an integer number (37937749932).

Almost surely, 2^634013442273 is an apocalyptic number.

It is an amenable number.

634013442273 is a deficient number, since it is larger than the sum of its proper divisors (276492556095).

634013442273 is a wasteful number, since it uses less digits than its factorization.

634013442273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571421 (or 3571362 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 39.

The spelling of 634013442273 in words is "six hundred thirty-four billion, thirteen million, four hundred forty-two thousand, two hundred seventy-three".