421915465 has 8 divisors (see below), whose sum is σ = 506435328. Its totient is φ = 337441200.

The previous prime is 421915453. The next prime is 421915489. The reversal of 421915465 is 564519124.

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

It is not a de Polignac number, because 421915465 - 2⁵ = 421915433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14184 + ... + 32326.

It is an arithmetic number, because the mean of its divisors is an integer number (63304416).

Almost surely, 2^421915465 is an apocalyptic number.

It is an amenable number.

421915465 is a deficient number, since it is larger than the sum of its proper divisors (84519863).

421915465 is a wasteful number, since it uses less digits than its factorization.

421915465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22799.

The product of its digits is 43200, while the sum is 37.

The square root of 421915465 is about 20540.5809314148. The cubic root of 421915465 is about 750.0239784926.

The spelling of 421915465 in words is "four hundred twenty-one million, nine hundred fifteen thousand, four hundred sixty-five".