96421543921 has 8 divisors (see below), whose sum is σ = 97173483264. Its totient is φ = 95671096800.

The previous prime is 96421543903. The next prime is 96421543931. The reversal of 96421543921 is 12934512469.

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 96421543921 - 2⁹ = 96421543409 is a prime.

It is a super-2 number, since 2×96421543921² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (96421543931) 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, 243145 + ... + 501958.

It is an arithmetic number, because the mean of its divisors is an integer number (12146685408).

Almost surely, 2^96421543921 is an apocalyptic number.

It is an amenable number.

96421543921 is a deficient number, since it is larger than the sum of its proper divisors (751939343).

96421543921 is a wasteful number, since it uses less digits than its factorization.

96421543921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746111.

The product of its digits is 466560, while the sum is 46.

The spelling of 96421543921 in words is "ninety-six billion, four hundred twenty-one million, five hundred forty-three thousand, nine hundred twenty-one".