634363223022426 has 64 divisors (see below), whose sum is σ = 1291275845517312. Its totient is φ = 207719112720000.

The previous prime is 634363223022413. The next prime is 634363223022433. The reversal of 634363223022426 is 624220322363436.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137454111 + ... + 141994221.

It is an arithmetic number, because the mean of its divisors is an integer number (20176185086208).

Almost surely, 2^{634363223022426} is an apocalyptic number.

634363223022426 is an abundant number, since it is smaller than the sum of its proper divisors (656912622494886).

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

634363223022426 is a wasteful number, since it uses less digits than its factorization.

634363223022426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4541379.

The product of its (nonzero) digits is 8957952, while the sum is 48.

The spelling of 634363223022426 in words is "six hundred thirty-four trillion, three hundred sixty-three billion, two hundred twenty-three million, twenty-two thousand, four hundred twenty-six".