634145604346 has 8 divisors (see below), whose sum is σ = 951358250304. Its totient is φ = 317026187580.

The previous prime is 634145604311. The next prime is 634145604377. The reversal of 634145604346 is 643406541436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×634145604346² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 634145604296 and 634145604305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23290290 + ... + 23317501.

It is an arithmetic number, because the mean of its divisors is an integer number (118919781288).

Almost surely, 2^634145604346 is an apocalyptic number.

634145604346 is a deficient number, since it is larger than the sum of its proper divisors (317212645958).

634145604346 is a wasteful number, since it uses less digits than its factorization.

634145604346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46614596.

The product of its (nonzero) digits is 2488320, while the sum is 46.

The spelling of 634145604346 in words is "six hundred thirty-four billion, one hundred forty-five million, six hundred four thousand, three hundred forty-six".