1532817720457 has 8 divisors (see below), whose sum is σ = 1551308268384. Its totient is φ = 1514327717088.

The previous prime is 1532817720449. The next prime is 1532817720503. The reversal of 1532817720457 is 7540277182351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1532817720457 - 2³ = 1532817720449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1532817723457) 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 7 ways as a sum of consecutive naturals, for example, 10608933 + ... + 10752445.

It is an arithmetic number, because the mean of its divisors is an integer number (193913533548).

Almost surely, 2^{1532817720457} is an apocalyptic number.

It is an amenable number.

1532817720457 is a deficient number, since it is larger than the sum of its proper divisors (18490547927).

1532817720457 is a wasteful number, since it uses less digits than its factorization.

1532817720457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272279.

The product of its (nonzero) digits is 3292800, while the sum is 52.

The spelling of 1532817720457 in words is "one trillion, five hundred thirty-two billion, eight hundred seventeen million, seven hundred twenty thousand, four hundred fifty-seven".