995726309 has 2 divisors, whose sum is σ = 995726310. Its totient is φ = 995726308.

The previous prime is 995726297. The next prime is 995726321. The reversal of 995726309 is 903627599.

It is a balanced prime because it is at equal distance from previous prime (995726297) and next prime (995726321).

It can be written as a sum of positive squares in only one way, i.e., 992565025 + 3161284 = 31505^2 + 1778^2 .

It is a cyclic number.

It is not a de Polignac number, because 995726309 - 2¹⁶ = 995660773 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (995726399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497863154 + 497863155.

It is an arithmetic number, because the mean of its divisors is an integer number (497863155).

Almost surely, 2^995726309 is an apocalyptic number.

It is an amenable number.

995726309 is a deficient number, since it is larger than the sum of its proper divisors (1).

995726309 is an equidigital number, since it uses as much as digits as its factorization.

995726309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 918540, while the sum is 50.

The square root of 995726309 is about 31555.1312626013. The cubic root of 995726309 is about 998.5734021196.

The spelling of 995726309 in words is "nine hundred ninety-five million, seven hundred twenty-six thousand, three hundred nine".