453981463 has 4 divisors (see below), whose sum is σ = 488903128. Its totient is φ = 419059800.

The previous prime is 453981443. The next prime is 453981509. The reversal of 453981463 is 364189354.

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

It is a cyclic number.

It is not a de Polignac number, because 453981463 - 2⁵ = 453981431 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 (453981443) 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, 17460813 + ... + 17460838.

It is an arithmetic number, because the mean of its divisors is an integer number (122225782).

Almost surely, 2^453981463 is an apocalyptic number.

453981463 is a deficient number, since it is larger than the sum of its proper divisors (34921665).

453981463 is a wasteful number, since it uses less digits than its factorization.

453981463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34921664.

The product of its digits is 311040, while the sum is 43.

The square root of 453981463 is about 21306.8407559638. The cubic root of 453981463 is about 768.5628238153.

The spelling of 453981463 in words is "four hundred fifty-three million, nine hundred eighty-one thousand, four hundred sixty-three".