986940733213 has 2 divisors, whose sum is σ = 986940733214. Its totient is φ = 986940733212.

The previous prime is 986940733193. The next prime is 986940733231. The reversal of 986940733213 is 312337049689.

986940733213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (986940733231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 572870361924 + 414070371289 = 756882^2 + 643483^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-986940733213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (986940733253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493470366606 + 493470366607.

It is an arithmetic number, because the mean of its divisors is an integer number (493470366607).

Almost surely, 2^986940733213 is an apocalyptic number.

It is an amenable number.

986940733213 is a deficient number, since it is larger than the sum of its proper divisors (1).

986940733213 is an equidigital number, since it uses as much as digits as its factorization.

986940733213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 55.

The spelling of 986940733213 in words is "nine hundred eighty-six billion, nine hundred forty million, seven hundred thirty-three thousand, two hundred thirteen".