445231697201 has 4 divisors (see below), whose sum is σ = 445236002304. Its totient is φ = 445227392100.

The previous prime is 445231697179. The next prime is 445231697257. The reversal of 445231697201 is 102796132544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445231697201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445231697291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1993505 + ... + 2205566.

It is an arithmetic number, because the mean of its divisors is an integer number (111309000576).

Almost surely, 2^445231697201 is an apocalyptic number.

It is an amenable number.

445231697201 is a deficient number, since it is larger than the sum of its proper divisors (4305103).

445231697201 is a wasteful number, since it uses less digits than its factorization.

445231697201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4305102.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 445231697201 in words is "four hundred forty-five billion, two hundred thirty-one million, six hundred ninety-seven thousand, two hundred one".