453452043973 has 2 divisors, whose sum is σ = 453452043974. Its totient is φ = 453452043972.

The previous prime is 453452043971. The next prime is 453452043983. The reversal of 453452043973 is 379340254354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 451479174084 + 1972869889 = 671922^2 + 44417^2 .

It is a cyclic number.

It is not a de Polignac number, because 453452043973 - 2¹ = 453452043971 is a prime.

Together with 453452043971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (453452043971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226726021986 + 226726021987.

It is an arithmetic number, because the mean of its divisors is an integer number (226726021987).

Almost surely, 2^453452043973 is an apocalyptic number.

It is an amenable number.

453452043973 is a deficient number, since it is larger than the sum of its proper divisors (1).

453452043973 is an equidigital number, since it uses as much as digits as its factorization.

453452043973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5443200, while the sum is 49.

The spelling of 453452043973 in words is "four hundred fifty-three billion, four hundred fifty-two million, forty-three thousand, nine hundred seventy-three".