2783641530 has 64 divisors (see below), whose sum is σ = 6747546240. Its totient is φ = 734920704.

The previous prime is 2783641529. The next prime is 2783641537. The reversal of 2783641530 is 351463872.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2783641537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1379082 + ... + 1381098.

It is an arithmetic number, because the mean of its divisors is an integer number (105430410).

Almost surely, 2^2783641530 is an apocalyptic number.

2783641530 is an abundant number, since it is smaller than the sum of its proper divisors (3963904710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2783641530 is a wasteful number, since it uses less digits than its factorization.

2783641530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 2783641530 is about 52760.2267811654. The cubic root of 2783641530 is about 1406.7095496786.

The spelling of 2783641530 in words is "two billion, seven hundred eighty-three million, six hundred forty-one thousand, five hundred thirty".