445747351664375 has 40 divisors (see below), whose sum is σ = 568947000281088. Its totient is φ = 348955523532000.

The previous prime is 445747351664371. The next prime is 445747351664437. The reversal of 445747351664375 is 573466153747544.

It is not a de Polignac number, because 445747351664375 - 2² = 445747351664371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445747351664299 and 445747351664308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445747351664371) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 185129474 + ... + 187521776.

Almost surely, 2^{445747351664375} is an apocalyptic number.

445747351664375 is a deficient number, since it is larger than the sum of its proper divisors (123199648616713).

445747351664375 is an equidigital number, since it uses as much as digits as its factorization.

445747351664375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398713 (or 2398698 counting only the distinct ones).

The product of its digits is 3556224000, while the sum is 71.

The spelling of 445747351664375 in words is "four hundred forty-five trillion, seven hundred forty-seven billion, three hundred fifty-one million, six hundred sixty-four thousand, three hundred seventy-five".