634134302436 has 24 divisors (see below), whose sum is σ = 1530669006720. Its totient is φ = 204089200672.

The previous prime is 634134302411. The next prime is 634134302443. The reversal of 634134302436 is 634203431436.

634134302436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 634134302394 and 634134302403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 911112156 + ... + 911112851.

It is an arithmetic number, because the mean of its divisors is an integer number (63777875280).

Almost surely, 2^634134302436 is an apocalyptic number.

It is an amenable number.

634134302436 is an abundant number, since it is smaller than the sum of its proper divisors (896534704284).

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

634134302436 is a wasteful number, since it uses less digits than its factorization.

634134302436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822225043 (or 1822225041 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 39.

The spelling of 634134302436 in words is "six hundred thirty-four billion, one hundred thirty-four million, three hundred two thousand, four hundred thirty-six".