26346655541 has 2 divisors, whose sum is σ = 26346655542. Its totient is φ = 26346655540.

The previous prime is 26346655537. The next prime is 26346655553. The reversal of 26346655541 is 14555664362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26326360516 + 20295025 = 162254^2 + 4505^2 .

It is a cyclic number.

It is not a de Polignac number, because 26346655541 - 2² = 26346655537 is a prime.

It is a super-2 number, since 2×26346655541² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26346655571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13173327770 + 13173327771.

It is an arithmetic number, because the mean of its divisors is an integer number (13173327771).

Almost surely, 2^26346655541 is an apocalyptic number.

It is an amenable number.

26346655541 is a deficient number, since it is larger than the sum of its proper divisors (1).

26346655541 is an equidigital number, since it uses as much as digits as its factorization.

26346655541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592000, while the sum is 47.

The spelling of 26346655541 in words is "twenty-six billion, three hundred forty-six million, six hundred fifty-five thousand, five hundred forty-one".