9835407049 has 4 divisors (see below), whose sum is σ = 10591976836. Its totient is φ = 9078837264.

The previous prime is 9835407047. The next prime is 9835407061. The reversal of 9835407049 is 9407045389.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9407045389 = 7 ⋅1343863627.

It can be written as a sum of positive squares in 2 ways, for example, as 4196448400 + 5638958649 = 64780^2 + 75093^2 .

It is a cyclic number.

It is not a de Polignac number, because 9835407049 - 2¹ = 9835407047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9835406993 and 9835407011.

It is not an unprimeable number, because it can be changed into a prime (9835407047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378284874 + ... + 378284899.

It is an arithmetic number, because the mean of its divisors is an integer number (2647994209).

Almost surely, 2^9835407049 is an apocalyptic number.

It is an amenable number.

9835407049 is a deficient number, since it is larger than the sum of its proper divisors (756569787).

9835407049 is a wasteful number, since it uses less digits than its factorization.

9835407049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756569786.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 9835407049 is about 99173.6207315232. The cubic root of 9835407049 is about 2142.5490811763.

The spelling of 9835407049 in words is "nine billion, eight hundred thirty-five million, four hundred seven thousand, forty-nine".