1645392882093 has 8 divisors (see below), whose sum is σ = 2194207489728. Its totient is φ = 1096753431264.

The previous prime is 1645392882059. The next prime is 1645392882131. The reversal of 1645392882093 is 3902882935461.

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

It is a de Polignac number, because none of the positive numbers 2^k-1645392882093 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1645392882193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43767280 + ... + 43804857.

It is an arithmetic number, because the mean of its divisors is an integer number (274275936216).

Almost surely, 2^{1645392882093} is an apocalyptic number.

It is an amenable number.

1645392882093 is a deficient number, since it is larger than the sum of its proper divisors (548814607635).

1645392882093 is an equidigital number, since it uses as much as digits as its factorization.

1645392882093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87578403.

The product of its (nonzero) digits is 22394880, while the sum is 60.

The spelling of 1645392882093 in words is "one trillion, six hundred forty-five billion, three hundred ninety-two million, eight hundred eighty-two thousand, ninety-three".