447614464416745 has 4 divisors (see below), whose sum is σ = 537137357300100. Its totient is φ = 358091571533392.

The previous prime is 447614464416739. The next prime is 447614464416761. The reversal of 447614464416745 is 547614464416744.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 232498972838889 + 215115491577856 = 15247917^2 + 14666816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-447614464416745 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44761446441670 + ... + 44761446441679.

It is an arithmetic number, because the mean of its divisors is an integer number (134284339325025).

Almost surely, 2^{447614464416745} is an apocalyptic number.

It is an amenable number.

447614464416745 is a deficient number, since it is larger than the sum of its proper divisors (89522892883355).

447614464416745 is an equidigital number, since it uses as much as digits as its factorization.

447614464416745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89522892883354.

The product of its digits is 867041280, while the sum is 67.

Subtracting 447614464416745 from its reverse (547614464416744), we obtain a palindrome (99999999999999).

The spelling of 447614464416745 in words is "four hundred forty-seven trillion, six hundred fourteen billion, four hundred sixty-four million, four hundred sixteen thousand, seven hundred forty-five".