945103571999 has 4 divisors (see below), whose sum is σ = 945263142936. Its totient is φ = 944944001064.

The previous prime is 945103571983. The next prime is 945103572001. The reversal of 945103571999 is 999175301549.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 945103571999 - 2⁴ = 945103571983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945103576999) 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, 79776584 + ... + 79788429.

It is an arithmetic number, because the mean of its divisors is an integer number (236315785734).

Almost surely, 2^945103571999 is an apocalyptic number.

945103571999 is a deficient number, since it is larger than the sum of its proper divisors (159570937).

945103571999 is a wasteful number, since it uses less digits than its factorization.

945103571999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159570936.

The product of its (nonzero) digits is 13778100, while the sum is 62.

The spelling of 945103571999 in words is "nine hundred forty-five billion, one hundred three million, five hundred seventy-one thousand, nine hundred ninety-nine".