454681679 has 4 divisors (see below), whose sum is σ = 454898976. Its totient is φ = 454464384.

The previous prime is 454681673. The next prime is 454681709. The reversal of 454681679 is 976186454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 976186454 = 2 ⋅488093227.

It is a cyclic number.

It is not a de Polignac number, because 454681679 - 2²⁸ = 186246223 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 (454681673) 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, 105479 + ... + 109704.

It is an arithmetic number, because the mean of its divisors is an integer number (113724744).

Almost surely, 2^454681679 is an apocalyptic number.

454681679 is a deficient number, since it is larger than the sum of its proper divisors (217297).

454681679 is a wasteful number, since it uses less digits than its factorization.

454681679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217296.

The product of its digits is 1451520, while the sum is 50.

The square root of 454681679 is about 21323.2661428778. The cubic root of 454681679 is about 768.9577617757.

The spelling of 454681679 in words is "four hundred fifty-four million, six hundred eighty-one thousand, six hundred seventy-nine".