1268092357349 has 4 divisors (see below), whose sum is σ = 1268262418764. Its totient is φ = 1267922295936.

The previous prime is 1268092357313. The next prime is 1268092357397. The reversal of 1268092357349 is 9437532908621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 648065250625 + 620027106724 = 805025^2 + 787418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1268092357349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268092957349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85019522 + ... + 85034435.

It is an arithmetic number, because the mean of its divisors is an integer number (317065604691).

It is a 1-persistent number, because it is pandigital, but 2⋅1268092357349 = 2536184714698 is not.

Almost surely, 2^{1268092357349} is an apocalyptic number.

It is an amenable number.

1268092357349 is a deficient number, since it is larger than the sum of its proper divisors (170061415).

1268092357349 is an equidigital number, since it uses as much as digits as its factorization.

1268092357349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170061414.

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 1268092357349 in words is "one trillion, two hundred sixty-eight billion, ninety-two million, three hundred fifty-seven thousand, three hundred forty-nine".