2146179428 has 24 divisors (see below), whose sum is σ = 3955089600. Its totient is φ = 1016199648.

The previous prime is 2146179397. The next prime is 2146179463. The reversal of 2146179428 is 8249716412.

It is a super-2 number, since 2×2146179428² = 9212172274340814368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270218 + ... + 278046.

It is an arithmetic number, because the mean of its divisors is an integer number (164795400).

Almost surely, 2^2146179428 is an apocalyptic number.

It is an amenable number.

2146179428 is a deficient number, since it is larger than the sum of its proper divisors (1808910172).

2146179428 is a wasteful number, since it uses less digits than its factorization.

2146179428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11459 (or 11457 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 2146179428 is about 46326.8758713557. The cubic root of 2146179428 is about 1289.8979203322.

The spelling of 2146179428 in words is "two billion, one hundred forty-six million, one hundred seventy-nine thousand, four hundred twenty-eight".