1339850899 has 2 divisors, whose sum is σ = 1339850900. Its totient is φ = 1339850898.

The previous prime is 1339850893. The next prime is 1339850917. The reversal of 1339850899 is 9980589331.

It is a weak prime.

It is an emirp because it is prime and its reverse (9980589331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1339850899 is a prime.

It is a super-2 number, since 2×1339850899² = 3590400863102216402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1339850893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669925449 + 669925450.

It is an arithmetic number, because the mean of its divisors is an integer number (669925450).

Almost surely, 2^1339850899 is an apocalyptic number.

1339850899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1339850899 is an equidigital number, since it uses as much as digits as its factorization.

1339850899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2099520, while the sum is 55.

The square root of 1339850899 is about 36603.9738143279. The cubic root of 1339850899 is about 1102.4328794002.

The spelling of 1339850899 in words is "one billion, three hundred thirty-nine million, eight hundred fifty thousand, eight hundred ninety-nine".