1673300465 has 4 divisors (see below), whose sum is σ = 2007960564. Its totient is φ = 1338640368.

The previous prime is 1673300449. The next prime is 1673300479. The reversal of 1673300465 is 5640033761.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1326707776 + 346592689 = 36424^2 + 18617^2 .

It is a cyclic number.

It is not a de Polignac number, because 1673300465 - 2⁴ = 1673300449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 167330042 + ... + 167330051.

It is an arithmetic number, because the mean of its divisors is an integer number (501990141).

Almost surely, 2^1673300465 is an apocalyptic number.

It is an amenable number.

1673300465 is a deficient number, since it is larger than the sum of its proper divisors (334660099).

1673300465 is an equidigital number, since it uses as much as digits as its factorization.

1673300465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334660098.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 1673300465 is about 40905.9954652127. The cubic root of 1673300465 is about 1187.2020665685.

The spelling of 1673300465 in words is "one billion, six hundred seventy-three million, three hundred thousand, four hundred sixty-five".