2780985033 has 12 divisors (see below), whose sum is σ = 4024665840. Its totient is φ = 1850441976.

The previous prime is 2780985029. The next prime is 2780985061. The reversal of 2780985033 is 3305890872.

2780985033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2780985033 - 2² = 2780985029 is a prime.

It is a super-2 number, since 2×2780985033² = 15467755507540022178, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2780985033.

It is not an unprimeable number, because it can be changed into a prime (2780985133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290703 + ... + 300116.

It is an arithmetic number, because the mean of its divisors is an integer number (335388820).

Almost surely, 2^2780985033 is an apocalyptic number.

It is an amenable number.

2780985033 is a deficient number, since it is larger than the sum of its proper divisors (1243680807).

2780985033 is a wasteful number, since it uses less digits than its factorization.

2780985033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591348 (or 591345 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2780985033 is about 52735.0455864030. The cubic root of 2780985033 is about 1406.2619215108.

The spelling of 2780985033 in words is "two billion, seven hundred eighty million, nine hundred eighty-five thousand, thirty-three".