26074493629 has 2 divisors, whose sum is σ = 26074493630. Its totient is φ = 26074493628.

The previous prime is 26074493567. The next prime is 26074493633. The reversal of 26074493629 is 92639447062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22732497529 + 3341996100 = 150773^2 + 57810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26074493629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26074493129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13037246814 + 13037246815.

It is an arithmetic number, because the mean of its divisors is an integer number (13037246815).

Almost surely, 2^26074493629 is an apocalyptic number.

It is an amenable number.

26074493629 is a deficient number, since it is larger than the sum of its proper divisors (1).

26074493629 is an equidigital number, since it uses as much as digits as its factorization.

26074493629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 52.

The spelling of 26074493629 in words is "twenty-six billion, seventy-four million, four hundred ninety-three thousand, six hundred twenty-nine".