9949371671 has 8 divisors (see below), whose sum is σ = 10383788544. Its totient is φ = 9515107800.

The previous prime is 9949371667. The next prime is 9949371701. The reversal of 9949371671 is 1761739499.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 9949371671 - 2² = 9949371667 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 (9949373671) 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, 106310 + ... + 176636.

It is an arithmetic number, because the mean of its divisors is an integer number (1297973568).

Almost surely, 2^9949371671 is an apocalyptic number.

9949371671 is a deficient number, since it is larger than the sum of its proper divisors (434416873).

9949371671 is a wasteful number, since it uses less digits than its factorization.

9949371671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76501.

The product of its digits is 2571912, while the sum is 56.

The square root of 9949371671 is about 99746.5371378876. The cubic root of 9949371671 is about 2150.7926892089.

The spelling of 9949371671 in words is "nine billion, nine hundred forty-nine million, three hundred seventy-one thousand, six hundred seventy-one".