26454669413 has 2 divisors, whose sum is σ = 26454669414. Its totient is φ = 26454669412.

The previous prime is 26454669379. The next prime is 26454669419. The reversal of 26454669413 is 31496645462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24939358084 + 1515311329 = 157922^2 + 38927^2 .

It is a cyclic number.

It is not a de Polignac number, because 26454669413 - 2³⁰ = 25380927589 is a prime.

It is a super-2 number, since 2×26454669413² (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 (26454669419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13227334706 + 13227334707.

It is an arithmetic number, because the mean of its divisors is an integer number (13227334707).

Almost surely, 2^26454669413 is an apocalyptic number.

It is an amenable number.

26454669413 is a deficient number, since it is larger than the sum of its proper divisors (1).

26454669413 is an equidigital number, since it uses as much as digits as its factorization.

26454669413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 50.

The spelling of 26454669413 in words is "twenty-six billion, four hundred fifty-four million, six hundred sixty-nine thousand, four hundred thirteen".