26623464029 has 2 divisors, whose sum is σ = 26623464030. Its totient is φ = 26623464028.

The previous prime is 26623463987. The next prime is 26623464037. The reversal of 26623464029 is 92046432662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15825136804 + 10798327225 = 125798^2 + 103915^2 .

It is a cyclic number.

It is not a de Polignac number, because 26623464029 - 2²⁰ = 26622415453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26623464929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13311732014 + 13311732015.

It is an arithmetic number, because the mean of its divisors is an integer number (13311732015).

Almost surely, 2^26623464029 is an apocalyptic number.

It is an amenable number.

26623464029 is a deficient number, since it is larger than the sum of its proper divisors (1).

26623464029 is an equidigital number, since it uses as much as digits as its factorization.

26623464029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 26623464029 in words is "twenty-six billion, six hundred twenty-three million, four hundred sixty-four thousand, twenty-nine".