2142404705 has 24 divisors (see below), whose sum is σ = 2998896768. Its totient is φ = 1465013088.

The previous prime is 2142404689. The next prime is 2142404723. The reversal of 2142404705 is 5074042412.

It is not a de Polignac number, because 2142404705 - 2⁴ = 2142404689 is a prime.

It is a super-2 number, since 2×2142404705² = 9179795840012274050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78002 + ... + 101828.

It is an arithmetic number, because the mean of its divisors is an integer number (124954032).

Almost surely, 2^2142404705 is an apocalyptic number.

It is an amenable number.

2142404705 is a deficient number, since it is larger than the sum of its proper divisors (856492063).

2142404705 is a wasteful number, since it uses less digits than its factorization.

2142404705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24213 (or 24206 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 2142404705 is about 46286.1178432584. The cubic root of 2142404705 is about 1289.1412478580.

The spelling of 2142404705 in words is "two billion, one hundred forty-two million, four hundred four thousand, seven hundred five".