1085913714493 has 2 divisors, whose sum is σ = 1085913714494. Its totient is φ = 1085913714492.

The previous prime is 1085913714427. The next prime is 1085913714497. The reversal of 1085913714493 is 3944173195801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1082842116409 + 3071598084 = 1040597^2 + 55422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1085913714493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1085913714497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542956857246 + 542956857247.

It is an arithmetic number, because the mean of its divisors is an integer number (542956857247).

Almost surely, 2^{1085913714493} is an apocalyptic number.

It is an amenable number.

1085913714493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085913714493 is an equidigital number, since it uses as much as digits as its factorization.

1085913714493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 1085913714493 in words is "one trillion, eighty-five billion, nine hundred thirteen million, seven hundred fourteen thousand, four hundred ninety-three".