634465419 has 32 divisors (see below), whose sum is σ = 1010949120. Its totient is φ = 346063872.

The previous prime is 634465319. The next prime is 634465427. The reversal of 634465419 is 914564436.

It is a happy number.

It is not a de Polignac number, because 634465419 - 2⁹ = 634464907 is a prime.

It is a super-2 number, since 2×634465419² = 805092735813691122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (634465319) 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, 296947 + ... + 299075.

It is an arithmetic number, because the mean of its divisors is an integer number (31592160).

Almost surely, 2^634465419 is an apocalyptic number.

634465419 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

634465419 is a deficient number, since it is larger than the sum of its proper divisors (376483701).

634465419 is a wasteful number, since it uses less digits than its factorization.

634465419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779.

The product of its digits is 311040, while the sum is 42.

The square root of 634465419 is about 25188.5970034061. The cubic root of 634465419 is about 859.2825361922.

The spelling of 634465419 in words is "six hundred thirty-four million, four hundred sixty-five thousand, four hundred nineteen".