2039075945 has 8 divisors (see below), whose sum is σ = 2455726344. Its totient is φ = 1625370624.

The previous prime is 2039075921. The next prime is 2039075959. The reversal of 2039075945 is 5495709302.

It can be written as a sum of positive squares in 4 ways, for example, as 91795561 + 1947280384 = 9581^2 + 44128^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2039075945 - 2⁶ = 2039075881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2039075896 and 2039075905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734744 + ... + 737513.

It is an arithmetic number, because the mean of its divisors is an integer number (306965793).

Almost surely, 2^2039075945 is an apocalyptic number.

It is an amenable number.

2039075945 is a deficient number, since it is larger than the sum of its proper divisors (416650399).

2039075945 is a wasteful number, since it uses less digits than its factorization.

2039075945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472539.

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 2039075945 is about 45156.1285430893. The cubic root of 2039075945 is about 1268.0736175899.

The spelling of 2039075945 in words is "two billion, thirty-nine million, seventy-five thousand, nine hundred forty-five".