27291195509759 has 2 divisors, whose sum is σ = 27291195509760. Its totient is φ = 27291195509758.

The previous prime is 27291195509731. The next prime is 27291195509807. The reversal of 27291195509759 is 95790559119272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27291195509759 - 2¹² = 27291195505663 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27291195509692 and 27291195509701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27291195509729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13645597754879 + 13645597754880.

It is an arithmetic number, because the mean of its divisors is an integer number (13645597754880).

Almost surely, 2^{27291195509759} is an apocalyptic number.

27291195509759 is a deficient number, since it is larger than the sum of its proper divisors (1).

27291195509759 is an equidigital number, since it uses as much as digits as its factorization.

27291195509759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160744500, while the sum is 71.

The spelling of 27291195509759 in words is "twenty-seven trillion, two hundred ninety-one billion, one hundred ninety-five million, five hundred nine thousand, seven hundred fifty-nine".