9850354939 has 2 divisors, whose sum is σ = 9850354940. Its totient is φ = 9850354938.

The previous prime is 9850354901. The next prime is 9850354963. The reversal of 9850354939 is 9394530589.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9850354939 - 2²¹ = 9848257787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9850354939.

It is not a weakly prime, because it can be changed into another prime (9850354039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4925177469 + 4925177470.

It is an arithmetic number, because the mean of its divisors is an integer number (4925177470).

Almost surely, 2^9850354939 is an apocalyptic number.

9850354939 is a deficient number, since it is larger than the sum of its proper divisors (1).

9850354939 is an equidigital number, since it uses as much as digits as its factorization.

9850354939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5248800, while the sum is 55.

The square root of 9850354939 is about 99248.9543471366. The cubic root of 9850354939 is about 2143.6339499164.

The spelling of 9850354939 in words is "nine billion, eight hundred fifty million, three hundred fifty-four thousand, nine hundred thirty-nine".