2800693145 has 8 divisors (see below), whose sum is σ = 3362530056. Its totient is φ = 2239422336.

The previous prime is 2800693127. The next prime is 2800693201. The reversal of 2800693145 is 5413960082.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 256096009 + 2544597136 = 16003^2 + 50444^2 .

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 2800693145 - 2¹⁸ = 2800431001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2800693099 and 2800693108.

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, 130562 + ... + 150491.

It is an arithmetic number, because the mean of its divisors is an integer number (420316257).

Almost surely, 2^2800693145 is an apocalyptic number.

It is an amenable number.

2800693145 is a deficient number, since it is larger than the sum of its proper divisors (561836911).

2800693145 is a wasteful number, since it uses less digits than its factorization.

2800693145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283051.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 2800693145 is about 52921.5754206165. The cubic root of 2800693145 is about 1409.5760415762.

The spelling of 2800693145 in words is "two billion, eight hundred million, six hundred ninety-three thousand, one hundred forty-five".