26449590047 has 2 divisors, whose sum is σ = 26449590048. Its totient is φ = 26449590046.

The previous prime is 26449590031. The next prime is 26449590113. The reversal of 26449590047 is 74009594462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26449590047 - 2⁴ = 26449590031 is a prime.

It is a super-2 number, since 2×26449590047² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26449589977 and 26449590004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26449590847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13224795023 + 13224795024.

It is an arithmetic number, because the mean of its divisors is an integer number (13224795024).

Almost surely, 2^26449590047 is an apocalyptic number.

26449590047 is a deficient number, since it is larger than the sum of its proper divisors (1).

26449590047 is an equidigital number, since it uses as much as digits as its factorization.

26449590047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 26449590047 in words is "twenty-six billion, four hundred forty-nine million, five hundred ninety thousand, forty-seven".