861093413 has 2 divisors, whose sum is σ = 861093414. Its totient is φ = 861093412.

The previous prime is 861093407. The next prime is 861093421. The reversal of 861093413 is 314390168.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 810142369 + 50951044 = 28463^2 + 7138^2 .

It is a cyclic number.

It is not a de Polignac number, because 861093413 - 2¹⁴ = 861077029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (861092413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430546706 + 430546707.

It is an arithmetic number, because the mean of its divisors is an integer number (430546707).

Almost surely, 2^861093413 is an apocalyptic number.

It is an amenable number.

861093413 is a deficient number, since it is larger than the sum of its proper divisors (1).

861093413 is an equidigital number, since it uses as much as digits as its factorization.

861093413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 861093413 is about 29344.3932123327. The cubic root of 861093413 is about 951.3713944086.

The spelling of 861093413 in words is "eight hundred sixty-one million, ninety-three thousand, four hundred thirteen".