10993779149 has 2 divisors, whose sum is σ = 10993779150. Its totient is φ = 10993779148.

The previous prime is 10993779143. The next prime is 10993779163. The reversal of 10993779149 is 94197739901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10875361225 + 118417924 = 104285^2 + 10882^2 .

It is a cyclic number.

It is not a de Polignac number, because 10993779149 - 2⁴ = 10993779133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10993779143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5496889574 + 5496889575.

It is an arithmetic number, because the mean of its divisors is an integer number (5496889575).

Almost surely, 2^10993779149 is an apocalyptic number.

It is an amenable number.

10993779149 is a deficient number, since it is larger than the sum of its proper divisors (1).

10993779149 is an equidigital number, since it uses as much as digits as its factorization.

10993779149 is an evil number, because the sum of its binary digits is even.

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

The spelling of 10993779149 in words is "ten billion, nine hundred ninety-three million, seven hundred seventy-nine thousand, one hundred forty-nine".