9648021971 has 8 divisors (see below), whose sum is σ = 11057549664. Its totient is φ = 8246304000.

The previous prime is 9648021953. The next prime is 9648021973. The reversal of 9648021971 is 1791208469.

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 9648021971 - 2⁶ = 9648021907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9648021973) 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, 1949780 + ... + 1954721.

It is an arithmetic number, because the mean of its divisors is an integer number (1382193708).

Almost surely, 2^9648021971 is an apocalyptic number.

9648021971 is a deficient number, since it is larger than the sum of its proper divisors (1409527693).

9648021971 is a wasteful number, since it uses less digits than its factorization.

9648021971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3904861.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 9648021971 is about 98224.3451034416. The cubic root of 9648021971 is about 2128.8550622644.

The spelling of 9648021971 in words is "nine billion, six hundred forty-eight million, twenty-one thousand, nine hundred seventy-one".