454687973 has 4 divisors (see below), whose sum is σ = 456673740. Its totient is φ = 452702208.

The previous prime is 454687969. The next prime is 454687997. The reversal of 454687973 is 379786454.

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 445336609 + 9351364 = 21103^2 + 3058^2 .

It is a cyclic number.

It is not a de Polignac number, because 454687973 - 2² = 454687969 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 (454687903) 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, 992540 + ... + 992997.

It is an arithmetic number, because the mean of its divisors is an integer number (114168435).

Almost surely, 2^454687973 is an apocalyptic number.

It is an amenable number.

454687973 is a deficient number, since it is larger than the sum of its proper divisors (1985767).

454687973 is a wasteful number, since it uses less digits than its factorization.

454687973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985766.

The product of its digits is 5080320, while the sum is 53.

The square root of 454687973 is about 21323.4137276375. The cubic root of 454687973 is about 768.9613098974.

The spelling of 454687973 in words is "four hundred fifty-four million, six hundred eighty-seven thousand, nine hundred seventy-three".