9949470971 has 4 divisors (see below), whose sum is σ = 10853968344. Its totient is φ = 9044973600.

The previous prime is 9949470967. The next prime is 9949470991. The reversal of 9949470971 is 1790749499.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9949470971 - 2² = 9949470967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9949470971.

It is not an unprimeable number, because it can be changed into a prime (9949470931) 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, 452248670 + ... + 452248691.

It is an arithmetic number, because the mean of its divisors is an integer number (2713492086).

Almost surely, 2^9949470971 is an apocalyptic number.

9949470971 is a deficient number, since it is larger than the sum of its proper divisors (904497373).

9949470971 is a wasteful number, since it uses less digits than its factorization.

9949470971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904497372.

The product of its (nonzero) digits is 5143824, while the sum is 59.

The square root of 9949470971 is about 99747.0348982866. The cubic root of 9949470971 is about 2150.7998445352.

The spelling of 9949470971 in words is "nine billion, nine hundred forty-nine million, four hundred seventy thousand, nine hundred seventy-one".