446621849 has 2 divisors, whose sum is σ = 446621850. Its totient is φ = 446621848.

The previous prime is 446621761. The next prime is 446621863. The reversal of 446621849 is 948126644.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253828624 + 192793225 = 15932^2 + 13885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-446621849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (446621249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223310924 + 223310925.

It is an arithmetic number, because the mean of its divisors is an integer number (223310925).

Almost surely, 2^446621849 is an apocalyptic number.

It is an amenable number.

446621849 is a deficient number, since it is larger than the sum of its proper divisors (1).

446621849 is an equidigital number, since it uses as much as digits as its factorization.

446621849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 44.

The square root of 446621849 is about 21133.4296554061. The cubic root of 446621849 is about 764.3870516957.

The spelling of 446621849 in words is "four hundred forty-six million, six hundred twenty-one thousand, eight hundred forty-nine".