893500081213 has 2 divisors, whose sum is σ = 893500081214. Its totient is φ = 893500081212.

The previous prime is 893500081189. The next prime is 893500081249. The reversal of 893500081213 is 312180005398.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 673930990489 + 219569090724 = 820933^2 + 468582^2 .

It is a cyclic number.

It is not a de Polignac number, because 893500081213 - 2⁵ = 893500081181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (893500081013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 446750040606 + 446750040607.

It is an arithmetic number, because the mean of its divisors is an integer number (446750040607).

Almost surely, 2^893500081213 is an apocalyptic number.

It is an amenable number.

893500081213 is a deficient number, since it is larger than the sum of its proper divisors (1).

893500081213 is an equidigital number, since it uses as much as digits as its factorization.

893500081213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 893500081213 in words is "eight hundred ninety-three billion, five hundred million, eighty-one thousand, two hundred thirteen".