454889494 has 4 divisors (see below), whose sum is σ = 682334244. Its totient is φ = 227444746.

The previous prime is 454889471. The next prime is 454889503. The reversal of 454889494 is 494988454.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113722372 + ... + 113722375.

It is an arithmetic number, because the mean of its divisors is an integer number (170583561).

Almost surely, 2^454889494 is an apocalyptic number.

454889494 is a deficient number, since it is larger than the sum of its proper divisors (227444750).

454889494 is a wasteful number, since it uses less digits than its factorization.

454889494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227444749.

The product of its digits is 6635520, while the sum is 55.

The square root of 454889494 is about 21328.1385498125. The cubic root of 454889494 is about 769.0748961907.

The spelling of 454889494 in words is "four hundred fifty-four million, eight hundred eighty-nine thousand, four hundred ninety-four".