10319997749 has 2 divisors, whose sum is σ = 10319997750. Its totient is φ = 10319997748.

The previous prime is 10319997703. The next prime is 10319997761. The reversal of 10319997749 is 94779991301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6378418225 + 3941579524 = 79865^2 + 62782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10319997749 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10319997769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5159998874 + 5159998875.

It is an arithmetic number, because the mean of its divisors is an integer number (5159998875).

Almost surely, 2^10319997749 is an apocalyptic number.

It is an amenable number.

10319997749 is a deficient number, since it is larger than the sum of its proper divisors (1).

10319997749 is an equidigital number, since it uses as much as digits as its factorization.

10319997749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3857868, while the sum is 59.

The spelling of 10319997749 in words is "ten billion, three hundred nineteen million, nine hundred ninety-seven thousand, seven hundred forty-nine".