26031899541013 has 2 divisors, whose sum is σ = 26031899541014. Its totient is φ = 26031899541012.

The previous prime is 26031899540891. The next prime is 26031899541061. The reversal of 26031899541013 is 31014599813062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22816881996804 + 3215017544209 = 4776702^2 + 1793047^2 .

It is a cyclic number.

It is not a de Polignac number, because 26031899541013 - 2¹⁷ = 26031899409941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26031839541013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13015949770506 + 13015949770507.

It is an arithmetic number, because the mean of its divisors is an integer number (13015949770507).

Almost surely, 2^{26031899541013} is an apocalyptic number.

It is an amenable number.

26031899541013 is a deficient number, since it is larger than the sum of its proper divisors (1).

26031899541013 is an equidigital number, since it uses as much as digits as its factorization.

26031899541013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 26031899541013 in words is "twenty-six trillion, thirty-one billion, eight hundred ninety-nine million, five hundred forty-one thousand, thirteen".