446116117621 has 2 divisors, whose sum is σ = 446116117622. Its totient is φ = 446116117620.

The previous prime is 446116117553. The next prime is 446116117627. The reversal of 446116117621 is 126711611644.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 439952297521 + 6163820100 = 663289^2 + 78510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-446116117621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (446116117627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223058058810 + 223058058811.

It is an arithmetic number, because the mean of its divisors is an integer number (223058058811).

Almost surely, 2^446116117621 is an apocalyptic number.

It is an amenable number.

446116117621 is a deficient number, since it is larger than the sum of its proper divisors (1).

446116117621 is an equidigital number, since it uses as much as digits as its factorization.

446116117621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 40.

The spelling of 446116117621 in words is "four hundred forty-six billion, one hundred sixteen million, one hundred seventeen thousand, six hundred twenty-one".