10109179261 has 2 divisors, whose sum is σ = 10109179262. Its totient is φ = 10109179260.

The previous prime is 10109179247. The next prime is 10109179343. The reversal of 10109179261 is 16297190101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5908843161 + 4200336100 = 76869^2 + 64810^2 .

It is a cyclic number.

It is not a de Polignac number, because 10109179261 - 2⁷ = 10109179133 is a prime.

It is a super-2 number, since 2×10109179261² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10109179261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10109170261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5054589630 + 5054589631.

It is an arithmetic number, because the mean of its divisors is an integer number (5054589631).

Almost surely, 2^10109179261 is an apocalyptic number.

It is an amenable number.

10109179261 is a deficient number, since it is larger than the sum of its proper divisors (1).

10109179261 is an equidigital number, since it uses as much as digits as its factorization.

10109179261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 37.

The spelling of 10109179261 in words is "ten billion, one hundred nine million, one hundred seventy-nine thousand, two hundred sixty-one".