1090868607391 has 2 divisors, whose sum is σ = 1090868607392. Its totient is φ = 1090868607390.

The previous prime is 1090868607307. The next prime is 1090868607407. The reversal of 1090868607391 is 1937068680901.

It is a strong prime.

It is an emirp because it is prime and its reverse (1937068680901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1090868607391 - 2²⁷ = 1090734389663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1090868601391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545434303695 + 545434303696.

It is an arithmetic number, because the mean of its divisors is an integer number (545434303696).

Almost surely, 2^{1090868607391} is an apocalyptic number.

1090868607391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090868607391 is an equidigital number, since it uses as much as digits as its factorization.

1090868607391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 58.

The spelling of 1090868607391 in words is "one trillion, ninety billion, eight hundred sixty-eight million, six hundred seven thousand, three hundred ninety-one".