26291374147 has 2 divisors, whose sum is σ = 26291374148. Its totient is φ = 26291374146.

The previous prime is 26291374141. The next prime is 26291374169. The reversal of 26291374147 is 74147319262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26291374147 - 2⁷ = 26291374019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26291374097 and 26291374106.

It is not a weakly prime, because it can be changed into another prime (26291374141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13145687073 + 13145687074.

It is an arithmetic number, because the mean of its divisors is an integer number (13145687074).

Almost surely, 2^26291374147 is an apocalyptic number.

26291374147 is a deficient number, since it is larger than the sum of its proper divisors (1).

26291374147 is an equidigital number, since it uses as much as digits as its factorization.

26291374147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 46.

The spelling of 26291374147 in words is "twenty-six billion, two hundred ninety-one million, three hundred seventy-four thousand, one hundred forty-seven".