10561464791 has 2 divisors, whose sum is σ = 10561464792. Its totient is φ = 10561464790.

The previous prime is 10561464763. The next prime is 10561464841. The reversal of 10561464791 is 19746416501.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10561464791 is a prime.

It is a super-2 number, since 2×10561464791² (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 (10561464701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5280732395 + 5280732396.

It is an arithmetic number, because the mean of its divisors is an integer number (5280732396).

Almost surely, 2^10561464791 is an apocalyptic number.

10561464791 is a deficient number, since it is larger than the sum of its proper divisors (1).

10561464791 is an equidigital number, since it uses as much as digits as its factorization.

10561464791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 10561464791 in words is "ten billion, five hundred sixty-one million, four hundred sixty-four thousand, seven hundred ninety-one".