453802949 has 4 divisors (see below), whose sum is σ = 473533536. Its totient is φ = 434072364.

The previous prime is 453802931. The next prime is 453802963. The reversal of 453802949 is 949208354.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 453802949 - 2²⁴ = 437025733 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 (453802969) 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, 9865259 + ... + 9865304.

It is an arithmetic number, because the mean of its divisors is an integer number (118383384).

Almost surely, 2^453802949 is an apocalyptic number.

It is an amenable number.

453802949 is a deficient number, since it is larger than the sum of its proper divisors (19730587).

453802949 is a wasteful number, since it uses less digits than its factorization.

453802949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19730586.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 453802949 is about 21302.6512199773. The cubic root of 453802949 is about 768.4620728507.

The spelling of 453802949 in words is "four hundred fifty-three million, eight hundred two thousand, nine hundred forty-nine".