9487997849 has 8 divisors (see below), whose sum is σ = 10351752960. Its totient is φ = 8624444400.

The previous prime is 9487997809. The next prime is 9487997863.

9487997849 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9487997849 - 2⁸ = 9487997593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9487997809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58139 + ... + 149519.

It is an arithmetic number, because the mean of its divisors is an integer number (1293969120).

Almost surely, 2^9487997849 is an apocalyptic number.

It is an amenable number.

9487997849 is a deficient number, since it is larger than the sum of its proper divisors (863755111).

9487997849 is a wasteful number, since it uses less digits than its factorization.

9487997849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100831.

The product of its digits is 329204736, while the sum is 74.

The square root of 9487997849 is about 97406.3542537139. The cubic root of 9487997849 is about 2117.0195040742.

The spelling of 9487997849 in words is "nine billion, four hundred eighty-seven million, nine hundred ninety-seven thousand, eight hundred forty-nine".