26910433939 has 2 divisors, whose sum is σ = 26910433940. Its totient is φ = 26910433938.

The previous prime is 26910433919. The next prime is 26910433969. The reversal of 26910433939 is 93933401962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26910433939 - 2¹³ = 26910425747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26910433892 and 26910433901.

It is not a weakly prime, because it can be changed into another prime (26910433919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13455216969 + 13455216970.

It is an arithmetic number, because the mean of its divisors is an integer number (13455216970).

Almost surely, 2^26910433939 is an apocalyptic number.

26910433939 is a deficient number, since it is larger than the sum of its proper divisors (1).

26910433939 is an equidigital number, since it uses as much as digits as its factorization.

26910433939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 944784, while the sum is 49.

The spelling of 26910433939 in words is "twenty-six billion, nine hundred ten million, four hundred thirty-three thousand, nine hundred thirty-nine".