445494644234641 has 16 divisors (see below), whose sum is σ = 462352316267520. Its totient is φ = 428798252612160.

The previous prime is 445494644234599. The next prime is 445494644234693. The reversal of 445494644234641 is 146432446494544.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 445494644234641 - 2⁷ = 445494644234513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445494644234041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44185806 + ... + 53323303.

It is an arithmetic number, because the mean of its divisors is an integer number (28897019766720).

Almost surely, 2^{445494644234641} is an apocalyptic number.

It is an amenable number.

445494644234641 is a deficient number, since it is larger than the sum of its proper divisors (16857672032879).

445494644234641 is a wasteful number, since it uses less digits than its factorization.

445494644234641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97509936.

The product of its digits is 637009920, while the sum is 64.

The spelling of 445494644234641 in words is "four hundred forty-five trillion, four hundred ninety-four billion, six hundred forty-four million, two hundred thirty-four thousand, six hundred forty-one".