1013849279 has 2 divisors, whose sum is σ = 1013849280. Its totient is φ = 1013849278.

The previous prime is 1013849273. The next prime is 1013849297. The reversal of 1013849279 is 9729483101.

Together with next prime (1013849297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1013849279 - 2²⁰ = 1012800703 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013849273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506924639 + 506924640.

It is an arithmetic number, because the mean of its divisors is an integer number (506924640).

Almost surely, 2^1013849279 is an apocalyptic number.

1013849279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013849279 is an equidigital number, since it uses as much as digits as its factorization.

1013849279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 1013849279 is about 31840.9999685940. Note that the first 4 decimals coincide. The cubic root of 1013849279 is about 1004.5952774133.

The spelling of 1013849279 in words is "one billion, thirteen million, eight hundred forty-nine thousand, two hundred seventy-nine".