26138669235 has 32 divisors (see below), whose sum is σ = 47922608640. Its totient is φ = 11917559808.

The previous prime is 26138669233. The next prime is 26138669237. The reversal of 26138669235 is 53296683162.

It is an interprime number because it is at equal distance from previous prime (26138669233) and next prime (26138669237).

It is not a de Polignac number, because 26138669235 - 2¹ = 26138669233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26138669233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288622 + ... + 368211.

It is an arithmetic number, because the mean of its divisors is an integer number (1497581520).

Almost surely, 2^26138669235 is an apocalyptic number.

26138669235 is a deficient number, since it is larger than the sum of its proper divisors (21783939405).

26138669235 is a wasteful number, since it uses less digits than its factorization.

26138669235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657227.

The product of its digits is 2799360, while the sum is 51.

The spelling of 26138669235 in words is "twenty-six billion, one hundred thirty-eight million, six hundred sixty-nine thousand, two hundred thirty-five".