446377961 has 2 divisors, whose sum is σ = 446377962. Its totient is φ = 446377960.

The previous prime is 446377937. The next prime is 446378017. The reversal of 446377961 is 169773644.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 441798361 + 4579600 = 21019^2 + 2140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-446377961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (446377661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223188980 + 223188981.

It is an arithmetic number, because the mean of its divisors is an integer number (223188981).

Almost surely, 2^446377961 is an apocalyptic number.

It is an amenable number.

446377961 is a deficient number, since it is larger than the sum of its proper divisors (1).

446377961 is an equidigital number, since it uses as much as digits as its factorization.

446377961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 47.

The square root of 446377961 is about 21127.6586729339. The cubic root of 446377961 is about 764.2478893941.

The spelling of 446377961 in words is "four hundred forty-six million, three hundred seventy-seven thousand, nine hundred sixty-one".