634902222368 has 54 divisors (see below), whose sum is σ = 1266696788679. Its totient is φ = 313256953152.

The previous prime is 634902222271. The next prime is 634902222397. The reversal of 634902222368 is 863222209436.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 317451111184 + 317451111184 = 563428^2 + 563428^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=563428.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 356085605 + ... + 356087387.

Almost surely, 2^634902222368 is an apocalyptic number.

It is an amenable number.

634902222368 is a deficient number, since it is larger than the sum of its proper divisors (631794566311).

634902222368 is an frugal number, since it uses more digits than its factorization.

634902222368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3734 (or 1864 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 47.

The spelling of 634902222368 in words is "six hundred thirty-four billion, nine hundred two million, two hundred twenty-two thousand, three hundred sixty-eight".