1013771839 has 2 divisors, whose sum is σ = 1013771840. Its totient is φ = 1013771838.

The previous prime is 1013771777. The next prime is 1013771881. The reversal of 1013771839 is 9381773101.

It is a strong prime.

It is an emirp because it is prime and its reverse (9381773101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1013771839 - 2⁹ = 1013771327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013771639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506885919 + 506885920.

It is an arithmetic number, because the mean of its divisors is an integer number (506885920).

Almost surely, 2^1013771839 is an apocalyptic number.

1013771839 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013771839 is an equidigital number, since it uses as much as digits as its factorization.

1013771839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 1013771839 is about 31839.7839031612. The cubic root of 1013771839 is about 1004.5696990423.

The spelling of 1013771839 in words is "one billion, thirteen million, seven hundred seventy-one thousand, eight hundred thirty-nine".