893380506989 has 4 divisors (see below), whose sum is σ = 893382925056. Its totient is φ = 893378088924.

The previous prime is 893380506917. The next prime is 893380507003. The reversal of 893380506989 is 989605083398.

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: 989605083398 = 2 ⋅494802541699.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-893380506989 is a prime.

It is a super-2 number, since 2×893380506989² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (893380506289) 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, 526349 + ... + 1436594.

It is an arithmetic number, because the mean of its divisors is an integer number (223345731264).

Almost surely, 2^893380506989 is an apocalyptic number.

It is an amenable number.

893380506989 is a deficient number, since it is larger than the sum of its proper divisors (2418067).

893380506989 is a wasteful number, since it uses less digits than its factorization.

893380506989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418066.

The product of its (nonzero) digits is 100776960, while the sum is 68.

The spelling of 893380506989 in words is "eight hundred ninety-three billion, three hundred eighty million, five hundred six thousand, nine hundred eighty-nine".