453866019494 has 4 divisors (see below), whose sum is σ = 680799029244. Its totient is φ = 226933009746.

The previous prime is 453866019491. The next prime is 453866019521. The reversal of 453866019494 is 494910668354.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453866019491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113466504872 + ... + 113466504875.

It is an arithmetic number, because the mean of its divisors is an integer number (170199757311).

Almost surely, 2^453866019494 is an apocalyptic number.

453866019494 is a deficient number, since it is larger than the sum of its proper divisors (226933009750).

453866019494 is a wasteful number, since it uses less digits than its factorization.

453866019494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226933009749.

The product of its (nonzero) digits is 22394880, while the sum is 59.

The spelling of 453866019494 in words is "four hundred fifty-three billion, eight hundred sixty-six million, nineteen thousand, four hundred ninety-four".