1093057815989 has 2 divisors, whose sum is σ = 1093057815990. Its totient is φ = 1093057815988.

The previous prime is 1093057815959. The next prime is 1093057816091. The reversal of 1093057815989 is 9895187503901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 980525746225 + 112532069764 = 990215^2 + 335458^2 .

It is a cyclic number.

It is not a de Polignac number, because 1093057815989 - 2²⁴ = 1093041038773 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1093057815959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 546528907994 + 546528907995.

It is an arithmetic number, because the mean of its divisors is an integer number (546528907995).

Almost surely, 2^{1093057815989} is an apocalyptic number.

It is an amenable number.

1093057815989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1093057815989 is an equidigital number, since it uses as much as digits as its factorization.

1093057815989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24494400, while the sum is 65.

The spelling of 1093057815989 in words is "one trillion, ninety-three billion, fifty-seven million, eight hundred fifteen thousand, nine hundred eighty-nine".