10513779191 has 2 divisors, whose sum is σ = 10513779192. Its totient is φ = 10513779190.

The previous prime is 10513779179. The next prime is 10513779193. The reversal of 10513779191 is 19197731501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10513779191 - 2⁶ = 10513779127 is a prime.

It is a super-2 number, since 2×10513779191² (a number of 21 digits) contains 22 as substring.

Together with 10513779193, 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 (10513779193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5256889595 + 5256889596.

It is an arithmetic number, because the mean of its divisors is an integer number (5256889596).

Almost surely, 2^10513779191 is an apocalyptic number.

10513779191 is a deficient number, since it is larger than the sum of its proper divisors (1).

10513779191 is an equidigital number, since it uses as much as digits as its factorization.

10513779191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59535, while the sum is 44.

The spelling of 10513779191 in words is "ten billion, five hundred thirteen million, seven hundred seventy-nine thousand, one hundred ninety-one".