2081917610 has 8 divisors (see below), whose sum is σ = 3747451716. Its totient is φ = 832767040.

The previous prime is 2081917603. The next prime is 2081917613. The reversal of 2081917610 is 167191802.

It can be written as a sum of positive squares in 2 ways, for example, as 2000683441 + 81234169 = 44729^2 + 9013^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2081917610² = 8668761869656224200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2081917613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104095871 + ... + 104095890.

Almost surely, 2^2081917610 is an apocalyptic number.

2081917610 is a deficient number, since it is larger than the sum of its proper divisors (1665534106).

2081917610 is a wasteful number, since it uses less digits than its factorization.

2081917610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208191768.

The product of its (nonzero) digits is 6048, while the sum is 35.

The square root of 2081917610 is about 45628.0353510865. The cubic root of 2081917610 is about 1276.8930198613.

The spelling of 2081917610 in words is "two billion, eighty-one million, nine hundred seventeen thousand, six hundred ten".