9821952001 has 8 divisors (see below), whose sum is σ = 9872352000. Its totient is φ = 9771677520.

The previous prime is 9821951983. The next prime is 9821952037. The reversal of 9821952001 is 1002591289.

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 9821952001 - 2²³ = 9813563393 is a prime.

It is a super-2 number, since 2×9821952001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9821902001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127575 + ... + 189523.

It is an arithmetic number, because the mean of its divisors is an integer number (1234044000).

Almost surely, 2^9821952001 is an apocalyptic number.

It is an amenable number.

9821952001 is a deficient number, since it is larger than the sum of its proper divisors (50399999).

9821952001 is a wasteful number, since it uses less digits than its factorization.

9821952001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62759.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 9821952001 is about 99105.7616942628. The cubic root of 9821952001 is about 2141.5716175965.

The spelling of 9821952001 in words is "nine billion, eight hundred twenty-one million, nine hundred fifty-two thousand, one".