1109867413 has 2 divisors, whose sum is σ = 1109867414. Its totient is φ = 1109867412.

The previous prime is 1109867393. The next prime is 1109867431. The reversal of 1109867413 is 3147689011.

Together with next prime (1109867431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 829036849 + 280830564 = 28793^2 + 16758^2 .

It is a cyclic number.

It is not a de Polignac number, because 1109867413 - 2²⁵ = 1076312981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1109867713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554933706 + 554933707.

It is an arithmetic number, because the mean of its divisors is an integer number (554933707).

Almost surely, 2^1109867413 is an apocalyptic number.

It is an amenable number.

1109867413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109867413 is an equidigital number, since it uses as much as digits as its factorization.

1109867413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 1109867413 is about 33314.6726383436. The cubic root of 1109867413 is about 1035.3575784551.

The spelling of 1109867413 in words is "one billion, one hundred nine million, eight hundred sixty-seven thousand, four hundred thirteen".