634860443046 has 16 divisors (see below), whose sum is σ = 1270294668144. Its totient is φ = 211524517344.

The previous prime is 634860443039. The next prime is 634860443081. The reversal of 634860443046 is 640344068436.

It is a junction number, because it is equal to n+sod(n) for n = 634860442986 and 634860443004.

It is a congruent number.

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, 23893201 + ... + 23919756.

It is an arithmetic number, because the mean of its divisors is an integer number (79393416759).

Almost surely, 2^634860443046 is an apocalyptic number.

634860443046 is an abundant number, since it is smaller than the sum of its proper divisors (635434225098).

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

634860443046 is a wasteful number, since it uses less digits than its factorization.

634860443046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47815175.

The product of its (nonzero) digits is 3981312, while the sum is 48.

The spelling of 634860443046 in words is "six hundred thirty-four billion, eight hundred sixty million, four hundred forty-three thousand, forty-six".