9838951349 has 4 divisors (see below), whose sum is σ = 9841448064. Its totient is φ = 9836454636.

The previous prime is 9838951319. The next prime is 9838951373. The reversal of 9838951349 is 9431598389.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9838951349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9838951319) 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 in 3 ways as a sum of consecutive naturals, for example, 1242437 + ... + 1250330.

It is an arithmetic number, because the mean of its divisors is an integer number (2460362016).

Almost surely, 2^9838951349 is an apocalyptic number.

It is an amenable number.

9838951349 is a deficient number, since it is larger than the sum of its proper divisors (2496715).

9838951349 is a wasteful number, since it uses less digits than its factorization.

9838951349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496714.

The product of its digits is 8398080, while the sum is 59.

The square root of 9838951349 is about 99191.4882890664. The cubic root of 9838951349 is about 2142.8064141868.

The spelling of 9838951349 in words is "nine billion, eight hundred thirty-eight million, nine hundred fifty-one thousand, three hundred forty-nine".