3099612081 has 8 divisors (see below), whose sum is σ = 4142147040. Its totient is φ = 2061742592.

The previous prime is 3099612037. The next prime is 3099612121. The reversal of 3099612081 is 1802169903.

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

It is a cyclic number.

It is not a de Polignac number, because 3099612081 - 2¹³ = 3099603889 is a prime.

It is a super-2 number, since 2×3099612081² = 19215190105362301122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3099612001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164816 + ... + 1167473.

It is an arithmetic number, because the mean of its divisors is an integer number (517768380).

Almost surely, 2^3099612081 is an apocalyptic number.

It is an amenable number.

3099612081 is a deficient number, since it is larger than the sum of its proper divisors (1042534959).

3099612081 is a wasteful number, since it uses less digits than its factorization.

3099612081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332735.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 3099612081 is about 55674.1599038549. The cubic root of 3099612081 is about 1458.0389134411.

The spelling of 3099612081 in words is "three billion, ninety-nine million, six hundred twelve thousand, eighty-one".