450956879 has 4 divisors (see below), whose sum is σ = 451064376. Its totient is φ = 450849384.

The previous prime is 450956813. The next prime is 450956893. The reversal of 450956879 is 978659054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978659054 = 2 ⋅489329527.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450956879 is a prime.

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 450956879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450956809) 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, 47189 + ... + 55934.

It is an arithmetic number, because the mean of its divisors is an integer number (112766094).

Almost surely, 2^450956879 is an apocalyptic number.

450956879 is a deficient number, since it is larger than the sum of its proper divisors (107497).

450956879 is a wasteful number, since it uses less digits than its factorization.

450956879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107496.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The square root of 450956879 is about 21235.7453130329. The cubic root of 450956879 is about 766.8522074147.

The spelling of 450956879 in words is "four hundred fifty million, nine hundred fifty-six thousand, eight hundred seventy-nine".