26943482731 has 6 divisors (see below), whose sum is σ = 29615563796. Its totient is φ = 24494075100.

The previous prime is 26943482723. The next prime is 26943482737. The reversal of 26943482731 is 13728434962.

It is not a de Polignac number, because 26943482731 - 2³ = 26943482723 is a prime.

It is a super-2 number, since 2×26943482731² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26943482737) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111336585 + ... + 111336826.

Almost surely, 2^26943482731 is an apocalyptic number.

26943482731 is a deficient number, since it is larger than the sum of its proper divisors (2672081065).

26943482731 is a wasteful number, since it uses less digits than its factorization.

26943482731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222673433 (or 222673422 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 49.

The spelling of 26943482731 in words is "twenty-six billion, nine hundred forty-three million, four hundred eighty-two thousand, seven hundred thirty-one".