2090834658 has 144 divisors (see below), whose sum is σ = 5344747200. Its totient is φ = 585561600.

The previous prime is 2090834617. The next prime is 2090834699. The reversal of 2090834658 is 8564380902.

2090834658 is a `hidden beast` number, since 20 + 90 + 83 + 465 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (2090834617) and next prime (2090834699).

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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3490243 + ... + 3490841.

It is an arithmetic number, because the mean of its divisors is an integer number (37116300).

Almost surely, 2^2090834658 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2090834658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2672373600).

2090834658 is an abundant number, since it is smaller than the sum of its proper divisors (3253912542).

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

2090834658 is a wasteful number, since it uses less digits than its factorization.

2090834658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 2090834658 is about 45725.6455175867. The cubic root of 2090834658 is about 1278.7134407610.

The spelling of 2090834658 in words is "two billion, ninety million, eight hundred thirty-four thousand, six hundred fifty-eight".