26011930447 has 2 divisors, whose sum is σ = 26011930448. Its totient is φ = 26011930446.

The previous prime is 26011930379. The next prime is 26011930453. The reversal of 26011930447 is 74403911062.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26011930447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26011930547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13005965223 + 13005965224.

It is an arithmetic number, because the mean of its divisors is an integer number (13005965224).

Almost surely, 2^26011930447 is an apocalyptic number.

26011930447 is a deficient number, since it is larger than the sum of its proper divisors (1).

26011930447 is an equidigital number, since it uses as much as digits as its factorization.

26011930447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 26011930447 in words is "twenty-six billion, eleven million, nine hundred thirty thousand, four hundred forty-seven".