8197641001 has 4 divisors (see below), whose sum is σ = 8942881104. Its totient is φ = 7452400900.

The previous prime is 8197640993. The next prime is 8197641041. The reversal of 8197641001 is 1001467918.

8197641001 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8197641001 - 2³ = 8197640993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8197641041) 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, 372620035 + ... + 372620056.

It is an arithmetic number, because the mean of its divisors is an integer number (2235720276).

Almost surely, 2^8197641001 is an apocalyptic number.

It is an amenable number.

8197641001 is a deficient number, since it is larger than the sum of its proper divisors (745240103).

8197641001 is a wasteful number, since it uses less digits than its factorization.

8197641001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745240102.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 8197641001 is about 90540.8250514650. The cubic root of 8197641001 is about 2016.3362830340.

The spelling of 8197641001 in words is "eight billion, one hundred ninety-seven million, six hundred forty-one thousand, one".