445025213671 has 2 divisors, whose sum is σ = 445025213672. Its totient is φ = 445025213670.

The previous prime is 445025213641. The next prime is 445025213741. The reversal of 445025213671 is 176312520544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445025213671 - 2²⁵ = 444991659239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445025213641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222512606835 + 222512606836.

It is an arithmetic number, because the mean of its divisors is an integer number (222512606836).

Almost surely, 2^445025213671 is an apocalyptic number.

445025213671 is a deficient number, since it is larger than the sum of its proper divisors (1).

445025213671 is an equidigital number, since it uses as much as digits as its factorization.

445025213671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 445025213671 in words is "four hundred forty-five billion, twenty-five million, two hundred thirteen thousand, six hundred seventy-one".