1447797933057 has 48 divisors (see below), whose sum is σ = 2266003769472. Its totient is φ = 819786401280.

The previous prime is 1447797933041. The next prime is 1447797933059. The reversal of 1447797933057 is 7503397977441.

It is not a de Polignac number, because 1447797933057 - 2⁴ = 1447797933041 is a prime.

It is a super-2 number, since 2×1447797933057² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1447797933059) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 87382188 + ... + 87398754.

It is an arithmetic number, because the mean of its divisors is an integer number (47208411864).

Almost surely, 2^{1447797933057} is an apocalyptic number.

It is an amenable number.

1447797933057 is a deficient number, since it is larger than the sum of its proper divisors (818205836415).

1447797933057 is a wasteful number, since it uses less digits than its factorization.

1447797933057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21958 (or 21951 counting only the distinct ones).

The product of its (nonzero) digits is 140026320, while the sum is 66.

The spelling of 1447797933057 in words is "one trillion, four hundred forty-seven billion, seven hundred ninety-seven million, nine hundred thirty-three thousand, fifty-seven".