1097716261429 has 2 divisors, whose sum is σ = 1097716261430. Its totient is φ = 1097716261428.

The previous prime is 1097716261427. The next prime is 1097716261441. The reversal of 1097716261429 is 9241626177901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 575666660529 + 522049600900 = 758727^2 + 722530^2 .

It is a cyclic number.

It is not a de Polignac number, because 1097716261429 - 2¹ = 1097716261427 is a prime.

Together with 1097716261427, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1097716261429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1097716261427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548858130714 + 548858130715.

It is an arithmetic number, because the mean of its divisors is an integer number (548858130715).

Almost surely, 2^{1097716261429} is an apocalyptic number.

It is an amenable number.

1097716261429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097716261429 is an equidigital number, since it uses as much as digits as its factorization.

1097716261429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2286144, while the sum is 55.

The spelling of 1097716261429 in words is "one trillion, ninety-seven billion, seven hundred sixteen million, two hundred sixty-one thousand, four hundred twenty-nine".