453945679 has 16 divisors (see below), whose sum is σ = 541264896. Its totient is φ = 375868800.

The previous prime is 453945677. The next prime is 453945691. The reversal of 453945679 is 976549354.

It is a happy number.

It is not a de Polignac number, because 453945679 - 2¹ = 453945677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453945673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33357 + ... + 44950.

It is an arithmetic number, because the mean of its divisors is an integer number (33829056).

Almost surely, 2^453945679 is an apocalyptic number.

453945679 is a deficient number, since it is larger than the sum of its proper divisors (87319217).

453945679 is a wasteful number, since it uses less digits than its factorization.

453945679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78366.

The product of its digits is 4082400, while the sum is 52.

The square root of 453945679 is about 21306.0010091054. The cubic root of 453945679 is about 768.5426299110.

The spelling of 453945679 in words is "four hundred fifty-three million, nine hundred forty-five thousand, six hundred seventy-nine".