1447729102464 has 64 divisors (see below), whose sum is σ = 3845658206880. Its totient is φ = 482560332800.

The previous prime is 1447729102453. The next prime is 1447729102487. The reversal of 1447729102464 is 4642019277441.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19262719 + ... + 19337729.

Almost surely, 2^{1447729102464} is an apocalyptic number.

It is an amenable number.

1447729102464 is an abundant number, since it is smaller than the sum of its proper divisors (2397929104416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1447729102464 is an equidigital number, since it uses as much as digits as its factorization.

1447729102464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125289 (or 125277 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 1447729102464 in words is "one trillion, four hundred forty-seven billion, seven hundred twenty-nine million, one hundred two thousand, four hundred sixty-four".