453944461 has 2 divisors, whose sum is σ = 453944462. Its totient is φ = 453944460.

The previous prime is 453944459. The next prime is 453944473. The reversal of 453944461 is 164449354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320195236 + 133749225 = 17894^2 + 11565^2 .

It is a cyclic number.

It is not a de Polignac number, because 453944461 - 2¹ = 453944459 is a prime.

It is a super-3 number, since 3×453944461³ (a number of 27 digits) contains 333 as substring.

Together with 453944459, 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 (453944401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226972230 + 226972231.

It is an arithmetic number, because the mean of its divisors is an integer number (226972231).

Almost surely, 2^453944461 is an apocalyptic number.

It is an amenable number.

453944461 is a deficient number, since it is larger than the sum of its proper divisors (1).

453944461 is an equidigital number, since it uses as much as digits as its factorization.

453944461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 40.

The square root of 453944461 is about 21305.9724255900. The cubic root of 453944461 is about 768.5419425411.

The spelling of 453944461 in words is "four hundred fifty-three million, nine hundred forty-four thousand, four hundred sixty-one".