2086143290 has 64 divisors (see below), whose sum is σ = 4690483200. Its totient is φ = 648997440.

The previous prime is 2086143281. The next prime is 2086143307. The reversal of 2086143290 is 923416802.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2086143290.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 458969 + ... + 463491.

It is an arithmetic number, because the mean of its divisors is an integer number (73288800).

Almost surely, 2^2086143290 is an apocalyptic number.

2086143290 is an abundant number, since it is smaller than the sum of its proper divisors (2604339910).

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

2086143290 is a wasteful number, since it uses less digits than its factorization.

2086143290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5147.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 2086143290 is about 45674.3176194237. The cubic root of 2086143290 is about 1277.7563417002.

The spelling of 2086143290 in words is "two billion, eighty-six million, one hundred forty-three thousand, two hundred ninety".