3128960017 has 4 divisors (see below), whose sum is σ = 3236855220. Its totient is φ = 3021064816.

The previous prime is 3128959969. The next prime is 3128960027. The reversal of 3128960017 is 7100698213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7100698213 = 7 ⋅1014385459.

It can be written as a sum of positive squares in 2 ways, for example, as 885895696 + 2243064321 = 29764^2 + 47361^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3128960017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3128960027) 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, 53947558 + ... + 53947615.

It is an arithmetic number, because the mean of its divisors is an integer number (809213805).

Almost surely, 2^3128960017 is an apocalyptic number.

It is an amenable number.

3128960017 is a deficient number, since it is larger than the sum of its proper divisors (107895203).

3128960017 is a wasteful number, since it uses less digits than its factorization.

3128960017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107895202.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 3128960017 is about 55937.1076924791. The cubic root of 3128960017 is about 1462.6261636309.

The spelling of 3128960017 in words is "three billion, one hundred twenty-eight million, nine hundred sixty thousand, seventeen".