10091612513 has 2 divisors, whose sum is σ = 10091612514. Its totient is φ = 10091612512.

The previous prime is 10091612459. The next prime is 10091612569. The reversal of 10091612513 is 31521619001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7644529489 + 2447083024 = 87433^2 + 49468^2 .

It is a cyclic number.

It is not a de Polignac number, because 10091612513 - 2⁸ = 10091612257 is a prime.

It is a super-2 number, since 2×10091612513² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10091612213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5045806256 + 5045806257.

It is an arithmetic number, because the mean of its divisors is an integer number (5045806257).

Almost surely, 2^10091612513 is an apocalyptic number.

It is an amenable number.

10091612513 is a deficient number, since it is larger than the sum of its proper divisors (1).

10091612513 is an equidigital number, since it uses as much as digits as its factorization.

10091612513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 29.

The spelling of 10091612513 in words is "ten billion, ninety-one million, six hundred twelve thousand, five hundred thirteen".