8381945001 has 8 divisors (see below), whose sum is σ = 11211633760. Its totient is φ = 5570109792.

The previous prime is 8381944999. The next prime is 8381945027. The reversal of 8381945001 is 1005491838.

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

It is not a de Polignac number, because 8381945001 - 2¹ = 8381944999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8381945041) 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, 4462291 + ... + 4464168.

It is an arithmetic number, because the mean of its divisors is an integer number (1401454220).

Almost surely, 2^8381945001 is an apocalyptic number.

It is an amenable number.

8381945001 is a deficient number, since it is larger than the sum of its proper divisors (2829688759).

8381945001 is a wasteful number, since it uses less digits than its factorization.

8381945001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8926775.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 8381945001 is about 91552.9628193430. The cubic root of 8381945001 is about 2031.3352375295.

The spelling of 8381945001 in words is "eight billion, three hundred eighty-one million, nine hundred forty-five thousand, one".