451427849 has 2 divisors, whose sum is σ = 451427850. Its totient is φ = 451427848.

The previous prime is 451427819. The next prime is 451427941. The reversal of 451427849 is 948724154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228463225 + 222964624 = 15115^2 + 14932^2 .

It is a cyclic number.

It is not a de Polignac number, because 451427849 - 2²⁴ = 434650633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (451427819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225713924 + 225713925.

It is an arithmetic number, because the mean of its divisors is an integer number (225713925).

Almost surely, 2^451427849 is an apocalyptic number.

It is an amenable number.

451427849 is a deficient number, since it is larger than the sum of its proper divisors (1).

451427849 is an equidigital number, since it uses as much as digits as its factorization.

451427849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 44.

The square root of 451427849 is about 21246.8315049562. The cubic root of 451427849 is about 767.1190760393.

The spelling of 451427849 in words is "four hundred fifty-one million, four hundred twenty-seven thousand, eight hundred forty-nine".