26642342143 has 12 divisors (see below), whose sum is σ = 27682214224. Its totient is φ = 25636348800.

The previous prime is 26642342141. The next prime is 26642342147. The reversal of 26642342143 is 34124324662.

It is not a de Polignac number, because 26642342143 - 2¹ = 26642342141 is a prime.

It is a super-3 number, since 3×26642342143³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26642342141) 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 in 11 ways as a sum of consecutive naturals, for example, 14158 + ... + 231268.

Almost surely, 2^26642342143 is an apocalyptic number.

26642342143 is a deficient number, since it is larger than the sum of its proper divisors (1039872081).

26642342143 is an equidigital number, since it uses as much as digits as its factorization.

26642342143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217266 (or 217225 counting only the distinct ones).

The product of its digits is 165888, while the sum is 37.

The spelling of 26642342143 in words is "twenty-six billion, six hundred forty-two million, three hundred forty-two thousand, one hundred forty-three".