26477623129 has 2 divisors, whose sum is σ = 26477623130. Its totient is φ = 26477623128.

The previous prime is 26477623091. The next prime is 26477623141. The reversal of 26477623129 is 92132677462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20873603529 + 5604019600 = 144477^2 + 74860^2 .

It is a cyclic number.

It is not a de Polignac number, because 26477623129 - 2⁹ = 26477622617 is a prime.

It is a super-2 number, since 2×26477623129² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26477623229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13238811564 + 13238811565.

It is an arithmetic number, because the mean of its divisors is an integer number (13238811565).

Almost surely, 2^26477623129 is an apocalyptic number.

It is an amenable number.

26477623129 is a deficient number, since it is larger than the sum of its proper divisors (1).

26477623129 is an equidigital number, since it uses as much as digits as its factorization.

26477623129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 49.

The spelling of 26477623129 in words is "twenty-six billion, four hundred seventy-seven million, six hundred twenty-three thousand, one hundred twenty-nine".