26910433919 has 2 divisors, whose sum is σ = 26910433920. Its totient is φ = 26910433918.

The previous prime is 26910433897. The next prime is 26910433939. The reversal of 26910433919 is 91933401962.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26910433919 - 2⁸ = 26910433663 is a prime.

It is a super-2 number, since 2×26910433919² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26910433939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13455216959 + 13455216960.

It is an arithmetic number, because the mean of its divisors is an integer number (13455216960).

Almost surely, 2^26910433919 is an apocalyptic number.

26910433919 is a deficient number, since it is larger than the sum of its proper divisors (1).

26910433919 is an equidigital number, since it uses as much as digits as its factorization.

26910433919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 47.

It can be divided in two parts, 2691043 and 3919, that added together give a palindrome (2694962).

The spelling of 26910433919 in words is "twenty-six billion, nine hundred ten million, four hundred thirty-three thousand, nine hundred nineteen".