8064305191921 has 8 divisors (see below), whose sum is σ = 8797544054784. Its totient is φ = 7331086363920.

The previous prime is 8064305191883. The next prime is 8064305191951. The reversal of 8064305191921 is 1291915034608.

It is a happy number.

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

It is not a de Polignac number, because 8064305191921 - 2⁹ = 8064305191409 is a prime.

It is a super-3 number, since 3×8064305191921³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8064305191951) 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, 4160850 + ... + 5782843.

It is an arithmetic number, because the mean of its divisors is an integer number (1099693006848).

Almost surely, 2^{8064305191921} is an apocalyptic number.

It is an amenable number.

8064305191921 is a deficient number, since it is larger than the sum of its proper divisors (733238862863).

8064305191921 is a wasteful number, since it uses less digits than its factorization.

8064305191921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10017431.

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 8064305191921 in words is "eight trillion, sixty-four billion, three hundred five million, one hundred ninety-one thousand, nine hundred twenty-one".