5719493909 has 2 divisors, whose sum is σ = 5719493910. Its totient is φ = 5719493908.

The previous prime is 5719493861. The next prime is 5719493911. The reversal of 5719493909 is 9093949175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3381771409 + 2337722500 = 58153^2 + 48350^2 .

It is a cyclic number.

It is not a de Polignac number, because 5719493909 - 2²⁸ = 5451058453 is a prime.

It is a super-2 number, since 2×5719493909² = 65425221150176200562, which contains 22 as substring.

Together with 5719493911, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5719493939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2859746954 + 2859746955.

It is an arithmetic number, because the mean of its divisors is an integer number (2859746955).

Almost surely, 2^5719493909 is an apocalyptic number.

It is an amenable number.

5719493909 is a deficient number, since it is larger than the sum of its proper divisors (1).

5719493909 is an equidigital number, since it uses as much as digits as its factorization.

5719493909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2755620, while the sum is 56.

The square root of 5719493909 is about 75627.3357259133. The cubic root of 5719493909 is about 1788.3500613541.

The spelling of 5719493909 in words is "five billion, seven hundred nineteen million, four hundred ninety-three thousand, nine hundred nine".