455670019 has 4 divisors (see below), whose sum is σ = 520765744. Its totient is φ = 390574296.

The previous prime is 455669993. The next prime is 455670067. The reversal of 455670019 is 910076554.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 455670019 - 2⁵ = 455669987 is a prime.

It is a super-2 number, since 2×455670019² = 415270332430920722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 455670019.

It is not an unprimeable number, because it can be changed into a prime (455670079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32547852 + ... + 32547865.

It is an arithmetic number, because the mean of its divisors is an integer number (130191436).

Almost surely, 2^455670019 is an apocalyptic number.

455670019 is a deficient number, since it is larger than the sum of its proper divisors (65095725).

455670019 is an equidigital number, since it uses as much as digits as its factorization.

455670019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65095724.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 455670019 is about 21346.4287177036. The cubic root of 455670019 is about 769.5145188430.

The spelling of 455670019 in words is "four hundred fifty-five million, six hundred seventy thousand, nineteen".