26553996463 has 2 divisors, whose sum is σ = 26553996464. Its totient is φ = 26553996462.

The previous prime is 26553996451. The next prime is 26553996487. The reversal of 26553996463 is 36469935562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26553996463 - 2¹³ = 26553988271 is a prime.

It is a super-2 number, since 2×26553996463² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26553996398 and 26553996407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26553996493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13276998231 + 13276998232.

It is an arithmetic number, because the mean of its divisors is an integer number (13276998232).

Almost surely, 2^26553996463 is an apocalyptic number.

26553996463 is a deficient number, since it is larger than the sum of its proper divisors (1).

26553996463 is an equidigital number, since it uses as much as digits as its factorization.

26553996463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31492800, while the sum is 58.

The spelling of 26553996463 in words is "twenty-six billion, five hundred fifty-three million, nine hundred ninety-six thousand, four hundred sixty-three".