634473345 has 16 divisors (see below), whose sum is σ = 1107444672. Its totient is φ = 307623360.

The previous prime is 634473293. The next prime is 634473347. The reversal of 634473345 is 543374436.

It is not a de Polignac number, because 634473345 - 2⁸ = 634473089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (634473347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1922482 + ... + 1922811.

It is an arithmetic number, because the mean of its divisors is an integer number (69215292).

Almost surely, 2^634473345 is an apocalyptic number.

It is an amenable number.

634473345 is a deficient number, since it is larger than the sum of its proper divisors (472971327).

634473345 is a wasteful number, since it uses less digits than its factorization.

634473345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845312.

The product of its digits is 362880, while the sum is 39.

The square root of 634473345 is about 25188.7543360127. The cubic root of 634473345 is about 859.2861143462.

The spelling of 634473345 in words is "six hundred thirty-four million, four hundred seventy-three thousand, three hundred forty-five".