2802065563 has 4 divisors (see below), whose sum is σ = 3056798808. Its totient is φ = 2547332320.

The previous prime is 2802065557. The next prime is 2802065671. The reversal of 2802065563 is 3655602082.

It is a happy number.

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 2802065563 - 2⁵ = 2802065531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2802065543) 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, 127366606 + ... + 127366627.

It is an arithmetic number, because the mean of its divisors is an integer number (764199702).

Almost surely, 2^2802065563 is an apocalyptic number.

2802065563 is a deficient number, since it is larger than the sum of its proper divisors (254733245).

2802065563 is a wasteful number, since it uses less digits than its factorization.

2802065563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254733244.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 2802065563 is about 52934.5403588243. The cubic root of 2802065563 is about 1409.8062478771.

The spelling of 2802065563 in words is "two billion, eight hundred two million, sixty-five thousand, five hundred sixty-three".