10513085789 has 2 divisors, whose sum is σ = 10513085790. Its totient is φ = 10513085788.

The previous prime is 10513085783. The next prime is 10513085813. The reversal of 10513085789 is 98758031501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8026368100 + 2486717689 = 89590^2 + 49867^2 .

It is a cyclic number.

It is not a de Polignac number, because 10513085789 - 2³² = 6218118493 is a prime.

It is a super-2 number, since 2×10513085789² (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 (10513085783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5256542894 + 5256542895.

It is an arithmetic number, because the mean of its divisors is an integer number (5256542895).

Almost surely, 2^10513085789 is an apocalyptic number.

It is an amenable number.

10513085789 is a deficient number, since it is larger than the sum of its proper divisors (1).

10513085789 is an equidigital number, since it uses as much as digits as its factorization.

10513085789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 47.

The spelling of 10513085789 in words is "ten billion, five hundred thirteen million, eighty-five thousand, seven hundred eighty-nine".