1047143393 has 2 divisors, whose sum is σ = 1047143394. Its totient is φ = 1047143392.

The previous prime is 1047143381. The next prime is 1047143399. The reversal of 1047143393 is 3933417401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 934952929 + 112190464 = 30577^2 + 10592^2 .

It is an emirp because it is prime and its reverse (3933417401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1047143393 - 2⁶ = 1047143329 is a prime.

It is not a weakly prime, because it can be changed into another prime (1047143399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523571696 + 523571697.

It is an arithmetic number, because the mean of its divisors is an integer number (523571697).

Almost surely, 2^1047143393 is an apocalyptic number.

It is an amenable number.

1047143393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047143393 is an equidigital number, since it uses as much as digits as its factorization.

1047143393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 1047143393 is about 32359.5950685419. The cubic root of 1047143393 is about 1015.4737911162.

The spelling of 1047143393 in words is "one billion, forty-seven million, one hundred forty-three thousand, three hundred ninety-three".