26264057461 has 2 divisors, whose sum is σ = 26264057462. Its totient is φ = 26264057460.

The previous prime is 26264057423. The next prime is 26264057497. The reversal of 26264057461 is 16475046262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24674440561 + 1589616900 = 157081^2 + 39870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26264057461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26264054461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13132028730 + 13132028731.

It is an arithmetic number, because the mean of its divisors is an integer number (13132028731).

Almost surely, 2^26264057461 is an apocalyptic number.

It is an amenable number.

26264057461 is a deficient number, since it is larger than the sum of its proper divisors (1).

26264057461 is an equidigital number, since it uses as much as digits as its factorization.

26264057461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 26264057461 in words is "twenty-six billion, two hundred sixty-four million, fifty-seven thousand, four hundred sixty-one".