454446749 has 2 divisors, whose sum is σ = 454446750. Its totient is φ = 454446748.

The previous prime is 454446721. The next prime is 454446761. The reversal of 454446749 is 947644454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 411805849 + 42640900 = 20293^2 + 6530^2 .

It is a cyclic number.

It is not a de Polignac number, because 454446749 - 2⁸ = 454446493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454446709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227223374 + 227223375.

It is an arithmetic number, because the mean of its divisors is an integer number (227223375).

Almost surely, 2^454446749 is an apocalyptic number.

It is an amenable number.

454446749 is a deficient number, since it is larger than the sum of its proper divisors (1).

454446749 is an equidigital number, since it uses as much as digits as its factorization.

454446749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 47.

The square root of 454446749 is about 21317.7566596488. The cubic root of 454446749 is about 768.8253010690.

The spelling of 454446749 in words is "four hundred fifty-four million, four hundred forty-six thousand, seven hundred forty-nine".