634153145474 has 16 divisors (see below), whose sum is σ = 989304950400. Its totient is φ = 304601781744.

The previous prime is 634153145473. The next prime is 634153145489. The reversal of 634153145474 is 474541351436.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (634153145473) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 54232364 + ... + 54244055.

It is an arithmetic number, because the mean of its divisors is an integer number (61831559400).

Almost surely, 2^634153145474 is an apocalyptic number.

634153145474 is a deficient number, since it is larger than the sum of its proper divisors (355151804926).

634153145474 is a wasteful number, since it uses less digits than its factorization.

634153145474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108476537.

The product of its digits is 2419200, while the sum is 47.

The spelling of 634153145474 in words is "six hundred thirty-four billion, one hundred fifty-three million, one hundred forty-five thousand, four hundred seventy-four".