26011451393 has 2 divisors, whose sum is σ = 26011451394. Its totient is φ = 26011451392.

The previous prime is 26011451377. The next prime is 26011451407. The reversal of 26011451393 is 39315411062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21342872464 + 4668578929 = 146092^2 + 68327^2 .

It is a cyclic number.

It is not a de Polignac number, because 26011451393 - 2⁴ = 26011451377 is a prime.

It is not a weakly prime, because it can be changed into another prime (26011451593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13005725696 + 13005725697.

It is an arithmetic number, because the mean of its divisors is an integer number (13005725697).

Almost surely, 2^26011451393 is an apocalyptic number.

It is an amenable number.

26011451393 is a deficient number, since it is larger than the sum of its proper divisors (1).

26011451393 is an equidigital number, since it uses as much as digits as its factorization.

26011451393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 26011451393 in words is "twenty-six billion, eleven million, four hundred fifty-one thousand, three hundred ninety-three".