2162139476 has 24 divisors (see below), whose sum is σ = 4325333376. Its totient is φ = 926405280.

The previous prime is 2162139461. The next prime is 2162139557. The reversal of 2162139476 is 6749312612.

It is a super-2 number, since 2×2162139476² = 9349694227355109152, which contains 22 as substring.

It is a congruent number.

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, 162641 + ... + 175431.

It is an arithmetic number, because the mean of its divisors is an integer number (180222224).

Almost surely, 2^2162139476 is an apocalyptic number.

It is an amenable number.

2162139476 is an abundant number, since it is smaller than the sum of its proper divisors (2163193900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2162139476 is a wasteful number, since it uses less digits than its factorization.

2162139476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18839 (or 18837 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 2162139476 is about 46498.8115547054. The cubic root of 2162139476 is about 1293.0874658983.

The spelling of 2162139476 in words is "two billion, one hundred sixty-two million, one hundred thirty-nine thousand, four hundred seventy-six".