926139793 has 2 divisors, whose sum is σ = 926139794. Its totient is φ = 926139792.

The previous prime is 926139791. The next prime is 926139871. The reversal of 926139793 is 397931629.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 908600449 + 17539344 = 30143^2 + 4188^2 .

It is a cyclic number.

It is not a de Polignac number, because 926139793 - 2¹ = 926139791 is a prime.

Together with 926139791, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (926139791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 463069896 + 463069897.

It is an arithmetic number, because the mean of its divisors is an integer number (463069897).

Almost surely, 2^926139793 is an apocalyptic number.

It is an amenable number.

926139793 is a deficient number, since it is larger than the sum of its proper divisors (1).

926139793 is an equidigital number, since it uses as much as digits as its factorization.

926139793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 551124, while the sum is 49.

The square root of 926139793 is about 30432.5449642320. The cubic root of 926139793 is about 974.7476157616.

The spelling of 926139793 in words is "nine hundred twenty-six million, one hundred thirty-nine thousand, seven hundred ninety-three".