445312213601 has 2 divisors, whose sum is σ = 445312213602. Its totient is φ = 445312213600.

The previous prime is 445312213531. The next prime is 445312213607. The reversal of 445312213601 is 106312213544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 429549160000 + 15763053601 = 655400^2 + 125551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445312213601 is a prime.

It is not a weakly prime, because it can be changed into another prime (445312213607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222656106800 + 222656106801.

It is an arithmetic number, because the mean of its divisors is an integer number (222656106801).

Almost surely, 2^445312213601 is an apocalyptic number.

It is an amenable number.

445312213601 is a deficient number, since it is larger than the sum of its proper divisors (1).

445312213601 is an equidigital number, since it uses as much as digits as its factorization.

445312213601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 445312213601 in words is "four hundred forty-five billion, three hundred twelve million, two hundred thirteen thousand, six hundred one".