2179798011 has 24 divisors (see below), whose sum is σ = 3276461760. Its totient is φ = 1395331056.

The previous prime is 2179798003. The next prime is 2179798013. The reversal of 2179798011 is 1108979712.

It is a happy number.

It is not a de Polignac number, because 2179798011 - 2³ = 2179798003 is a prime.

It is a super-2 number, since 2×2179798011² = 9503038737519112242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2179798013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24901 + ... + 70566.

It is an arithmetic number, because the mean of its divisors is an integer number (136519240).

Almost surely, 2^2179798011 is an apocalyptic number.

2179798011 is a deficient number, since it is larger than the sum of its proper divisors (1096663749).

2179798011 is a wasteful number, since it uses less digits than its factorization.

2179798011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95575 (or 95572 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 45.

The square root of 2179798011 is about 46688.3070050736. The cubic root of 2179798011 is about 1296.5982088466.

The spelling of 2179798011 in words is "two billion, one hundred seventy-nine million, seven hundred ninety-eight thousand, eleven".