10516426649 has 2 divisors, whose sum is σ = 10516426650. Its totient is φ = 10516426648.

The previous prime is 10516426631. The next prime is 10516426667. The reversal of 10516426649 is 94662461501.

It is a balanced prime because it is at equal distance from previous prime (10516426631) and next prime (10516426667).

It can be written as a sum of positive squares in only one way, i.e., 8956729600 + 1559697049 = 94640^2 + 39493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10516426649 is a prime.

It is a super-2 number, since 2×10516426649² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10516426849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5258213324 + 5258213325.

It is an arithmetic number, because the mean of its divisors is an integer number (5258213325).

Almost surely, 2^10516426649 is an apocalyptic number.

It is an amenable number.

10516426649 is a deficient number, since it is larger than the sum of its proper divisors (1).

10516426649 is an equidigital number, since it uses as much as digits as its factorization.

10516426649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 10516426649 in words is "ten billion, five hundred sixteen million, four hundred twenty-six thousand, six hundred forty-nine".