10491520079 has 2 divisors, whose sum is σ = 10491520080. Its totient is φ = 10491520078.

The previous prime is 10491520049. The next prime is 10491520087. The reversal of 10491520079 is 97002519401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10491520079 - 2¹⁶ = 10491454543 is a prime.

It is a super-2 number, since 2×10491520079² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10491520049) 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, 5245760039 + 5245760040.

It is an arithmetic number, because the mean of its divisors is an integer number (5245760040).

Almost surely, 2^10491520079 is an apocalyptic number.

10491520079 is a deficient number, since it is larger than the sum of its proper divisors (1).

10491520079 is an equidigital number, since it uses as much as digits as its factorization.

10491520079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 38.

The spelling of 10491520079 in words is "ten billion, four hundred ninety-one million, five hundred twenty thousand, seventy-nine".