1086147943 has 2 divisors, whose sum is σ = 1086147944. Its totient is φ = 1086147942.

The previous prime is 1086147941. The next prime is 1086147971. The reversal of 1086147943 is 3497416801.

It is a weak prime.

It is an emirp because it is prime and its reverse (3497416801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1086147943 - 2¹ = 1086147941 is a prime.

Together with 1086147941, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1086147943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1086147941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543073971 + 543073972.

It is an arithmetic number, because the mean of its divisors is an integer number (543073972).

Almost surely, 2^1086147943 is an apocalyptic number.

1086147943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1086147943 is an equidigital number, since it uses as much as digits as its factorization.

1086147943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 1086147943 is about 32956.7586846765. The cubic root of 1086147943 is about 1027.9287067572.

The spelling of 1086147943 in words is "one billion, eighty-six million, one hundred forty-seven thousand, nine hundred forty-three".