2583081990 has 24 divisors (see below), whose sum is σ = 6716013408. Its totient is φ = 688821840.

The previous prime is 2583081989. The next prime is 2583082003. The reversal of 2583081990 is 991803852.

It is a happy number.

2583081990 is a `hidden beast` number, since 258 + 308 + 1 + 9 + 90 = 666.

2583081990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14350366 + ... + 14350545.

It is an arithmetic number, because the mean of its divisors is an integer number (279833892).

Almost surely, 2^2583081990 is an apocalyptic number.

2583081990 is an abundant number, since it is smaller than the sum of its proper divisors (4132931418).

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

2583081990 is a wasteful number, since it uses less digits than its factorization.

2583081990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28700924 (or 28700921 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 2583081990 is about 50824.0296513372. The cubic root of 2583081990 is about 1372.0798837597.

The spelling of 2583081990 in words is "two billion, five hundred eighty-three million, eighty-one thousand, nine hundred ninety".