634434453123466 has 64 divisors (see below), whose sum is σ = 996121873612800. Its totient is φ = 302481277560000.

The previous prime is 634434453123439. The next prime is 634434453123469. The reversal of 634434453123466 is 664321354434436.

It is a self number, because there is not a number n which added to its sum of digits gives 634434453123466.

It is not an unprimeable number, because it can be changed into a prime (634434453123469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133537032591 + ... + 133537037341.

It is an arithmetic number, because the mean of its divisors is an integer number (15564404275200).

Almost surely, 2^{634434453123466} is an apocalyptic number.

634434453123466 is a deficient number, since it is larger than the sum of its proper divisors (361687420489334).

634434453123466 is a wasteful number, since it uses less digits than its factorization.

634434453123466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10195.

The product of its digits is 179159040, while the sum is 58.

The spelling of 634434453123466 in words is "six hundred thirty-four trillion, four hundred thirty-four billion, four hundred fifty-three million, one hundred twenty-three thousand, four hundred sixty-six".