1011659399 has 2 divisors, whose sum is σ = 1011659400. Its totient is φ = 1011659398.

The previous prime is 1011659357. The next prime is 1011659401. The reversal of 1011659399 is 9939561101.

1011659399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1011659399 - 2¹² = 1011655303 is a prime.

Together with 1011659401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011659339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505829699 + 505829700.

It is an arithmetic number, because the mean of its divisors is an integer number (505829700).

Almost surely, 2^1011659399 is an apocalyptic number.

1011659399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011659399 is an equidigital number, since it uses as much as digits as its factorization.

1011659399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65610, while the sum is 44.

The square root of 1011659399 is about 31806.5936403130. The cubic root of 1011659399 is about 1003.8714587981.

The spelling of 1011659399 in words is "one billion, eleven million, six hundred fifty-nine thousand, three hundred ninety-nine".