9837499849 has 4 divisors (see below), whose sum is σ = 9838060560. Its totient is φ = 9836939140.

The previous prime is 9837499817. The next prime is 9837499877. The reversal of 9837499849 is 9489947389.

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 not a de Polignac number, because 9837499849 - 2⁵ = 9837499817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9837499549) 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, 253159 + ... + 289420.

It is an arithmetic number, because the mean of its divisors is an integer number (2459515140).

Almost surely, 2^9837499849 is an apocalyptic number.

It is an amenable number.

9837499849 is a deficient number, since it is larger than the sum of its proper divisors (560711).

9837499849 is a wasteful number, since it uses less digits than its factorization.

9837499849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560710.

The product of its digits is 141087744, while the sum is 70.

The square root of 9837499849 is about 99184.1713631767. The cubic root of 9837499849 is about 2142.7010358675.

The spelling of 9837499849 in words is "nine billion, eight hundred thirty-seven million, four hundred ninety-nine thousand, eight hundred forty-nine".