26461315093 has 2 divisors, whose sum is σ = 26461315094. Its totient is φ = 26461315092.

The previous prime is 26461315087. The next prime is 26461315259. The reversal of 26461315093 is 39051316462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14795803044 + 11665512049 = 121638^2 + 108007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26461315093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26461315033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13230657546 + 13230657547.

It is an arithmetic number, because the mean of its divisors is an integer number (13230657547).

Almost surely, 2^26461315093 is an apocalyptic number.

It is an amenable number.

26461315093 is a deficient number, since it is larger than the sum of its proper divisors (1).

26461315093 is an equidigital number, since it uses as much as digits as its factorization.

26461315093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 26461315093 in words is "twenty-six billion, four hundred sixty-one million, three hundred fifteen thousand, ninety-three".