897582333493 has 4 divisors (see below), whose sum is σ = 944823508960. Its totient is φ = 850341158028.

The previous prime is 897582333491. The next prime is 897582333499. The reversal of 897582333493 is 394333285798.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 394333285798 = 2 ⋅197166642899.

It is a cyclic number.

It is not a de Polignac number, because 897582333493 - 2¹ = 897582333491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897582333491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23620587705 + ... + 23620587742.

It is an arithmetic number, because the mean of its divisors is an integer number (236205877240).

Almost surely, 2^897582333493 is an apocalyptic number.

It is an amenable number.

897582333493 is a deficient number, since it is larger than the sum of its proper divisors (47241175467).

897582333493 is a wasteful number, since it uses less digits than its factorization.

897582333493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47241175466.

The product of its digits is 117573120, while the sum is 64.

The spelling of 897582333493 in words is "eight hundred ninety-seven billion, five hundred eighty-two million, three hundred thirty-three thousand, four hundred ninety-three".