2093431709 has 2 divisors, whose sum is σ = 2093431710. Its totient is φ = 2093431708.

The previous prime is 2093431699. The next prime is 2093431721. The reversal of 2093431709 is 9071343902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1370628484 + 722803225 = 37022^2 + 26885^2 .

It is a cyclic number.

It is not a de Polignac number, because 2093431709 - 2⁴ = 2093431693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2093433709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1046715854 + 1046715855.

It is an arithmetic number, because the mean of its divisors is an integer number (1046715855).

Almost surely, 2^2093431709 is an apocalyptic number.

It is an amenable number.

2093431709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2093431709 is an equidigital number, since it uses as much as digits as its factorization.

2093431709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 2093431709 is about 45754.0348931108. The cubic root of 2093431709 is about 1279.2426568463.

The spelling of 2093431709 in words is "two billion, ninety-three million, four hundred thirty-one thousand, seven hundred nine".