634146747641436 has 12 divisors (see below), whose sum is σ = 1479675744496712. Its totient is φ = 211382249213808.

The previous prime is 634146747641359. The next prime is 634146747641461.

634146747641436 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×634146747641436² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26422781151715 + ... + 26422781151738.

Almost surely, 2^{634146747641436} is an apocalyptic number.

It is an amenable number.

634146747641436 is an abundant number, since it is smaller than the sum of its proper divisors (845528996855276).

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

634146747641436 is a wasteful number, since it uses less digits than its factorization.

634146747641436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52845562303460 (or 52845562303458 counting only the distinct ones).

The product of its digits is 585252864, while the sum is 66.

The spelling of 634146747641436 in words is "six hundred thirty-four trillion, one hundred forty-six billion, seven hundred forty-seven million, six hundred forty-one thousand, four hundred thirty-six".