2102643179 has 16 divisors (see below), whose sum is σ = 2593194240. Its totient is φ = 1660206240.

The previous prime is 2102643167. The next prime is 2102643199. The reversal of 2102643179 is 9713462012.

It is a de Polignac number, because none of the positive numbers 2^k-2102643179 is a prime.

It is a super-2 number, since 2×2102643179² = 8842216676390452082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2102643119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21152 + ... + 68210.

It is an arithmetic number, because the mean of its divisors is an integer number (162074640).

Almost surely, 2^2102643179 is an apocalyptic number.

2102643179 is a deficient number, since it is larger than the sum of its proper divisors (490551061).

2102643179 is a wasteful number, since it uses less digits than its factorization.

2102643179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47570.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2102643179 is about 45854.5873277691. The cubic root of 2102643179 is about 1281.1162095666.

The spelling of 2102643179 in words is "two billion, one hundred two million, six hundred forty-three thousand, one hundred seventy-nine".