2291349060 has 672 divisors, whose sum is σ = 9748230912. Its totient is φ = 436700160.

The previous prime is 2291349019. The next prime is 2291349077. The reversal of 2291349060 is 609431922.

2291349060 is a `hidden beast` number, since 22 + 91 + 3 + 490 + 60 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 14594502 + ... + 14594658.

It is an arithmetic number, because the mean of its divisors is an integer number (14506296).

Almost surely, 2^2291349060 is an apocalyptic number.

2291349060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2291349060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4874115456).

2291349060 is an abundant number, since it is smaller than the sum of its proper divisors (7456881852).

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

2291349060 is a wasteful number, since it uses less digits than its factorization.

2291349060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 2291349060 is about 47868.0379794284. The cubic root of 2291349060 is about 1318.3490724048.

The spelling of 2291349060 in words is "two billion, two hundred ninety-one million, three hundred forty-nine thousand, sixty".