26212920919 has 2 divisors, whose sum is σ = 26212920920. Its totient is φ = 26212920918.

The previous prime is 26212920907. The next prime is 26212920941. The reversal of 26212920919 is 91902921262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26212920919 - 2⁹ = 26212920407 is a prime.

It is a super-2 number, since 2×26212920919² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26212920119) 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, 13106460459 + 13106460460.

It is an arithmetic number, because the mean of its divisors is an integer number (13106460460).

Almost surely, 2^26212920919 is an apocalyptic number.

26212920919 is a deficient number, since it is larger than the sum of its proper divisors (1).

26212920919 is an equidigital number, since it uses as much as digits as its factorization.

26212920919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 43.

The spelling of 26212920919 in words is "twenty-six billion, two hundred twelve million, nine hundred twenty thousand, nine hundred nineteen".