26721460039 has 2 divisors, whose sum is σ = 26721460040. Its totient is φ = 26721460038.

The previous prime is 26721460037. The next prime is 26721460061. The reversal of 26721460039 is 93006412762.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26721460039 - 2¹ = 26721460037 is a prime.

Together with 26721460037, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 26721459983 and 26721460010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26721460033) 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 as a sum of consecutive naturals, namely, 13360730019 + 13360730020.

It is an arithmetic number, because the mean of its divisors is an integer number (13360730020).

Almost surely, 2^26721460039 is an apocalyptic number.

26721460039 is a deficient number, since it is larger than the sum of its proper divisors (1).

26721460039 is an equidigital number, since it uses as much as digits as its factorization.

26721460039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 26721460039 in words is "twenty-six billion, seven hundred twenty-one million, four hundred sixty thousand, thirty-nine".