634500545505 has 16 divisors (see below), whose sum is σ = 1015211090304. Its totient is φ = 338396885120.

The previous prime is 634500545479. The next prime is 634500545537. The reversal of 634500545505 is 505545005436.

It is not a de Polignac number, because 634500545505 - 2⁵ = 634500545473 is a prime.

It is a super-2 number, since 2×634500545505² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2235997 + ... + 2503733.

It is an arithmetic number, because the mean of its divisors is an integer number (63450693144).

Almost surely, 2^634500545505 is an apocalyptic number.

It is an amenable number.

634500545505 is a deficient number, since it is larger than the sum of its proper divisors (380710544799).

634500545505 is a wasteful number, since it uses less digits than its factorization.

634500545505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425736.

The product of its (nonzero) digits is 900000, while the sum is 42.

The spelling of 634500545505 in words is "six hundred thirty-four billion, five hundred million, five hundred forty-five thousand, five hundred five".