26074019149 has 2 divisors, whose sum is σ = 26074019150. Its totient is φ = 26074019148.

The previous prime is 26074019131. The next prime is 26074019171. The reversal of 26074019149 is 94191047062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19724798025 + 6349221124 = 140445^2 + 79682^2 .

It is a cyclic number.

It is not a de Polignac number, because 26074019149 - 2⁹ = 26074018637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26074019849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13037009574 + 13037009575.

It is an arithmetic number, because the mean of its divisors is an integer number (13037009575).

Almost surely, 2^26074019149 is an apocalyptic number.

It is an amenable number.

26074019149 is a deficient number, since it is larger than the sum of its proper divisors (1).

26074019149 is an equidigital number, since it uses as much as digits as its factorization.

26074019149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 26074019149 in words is "twenty-six billion, seventy-four million, nineteen thousand, one hundred forty-nine".