4193878142 has 4 divisors (see below), whose sum is σ = 6290817216. Its totient is φ = 2096939070.

The previous prime is 4193878133. The next prime is 4193878177. The reversal of 4193878142 is 2418783914.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×4193878142² = 35177227739890744328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1048469534 + ... + 1048469537.

It is an arithmetic number, because the mean of its divisors is an integer number (1572704304).

Almost surely, 2^4193878142 is an apocalyptic number.

4193878142 is a deficient number, since it is larger than the sum of its proper divisors (2096939074).

4193878142 is a wasteful number, since it uses less digits than its factorization.

4193878142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096939073.

The product of its digits is 387072, while the sum is 47.

The square root of 4193878142 is about 64760.1586007941. The cubic root of 4193878142 is about 1612.6443615882.

The spelling of 4193878142 in words is "four billion, one hundred ninety-three million, eight hundred seventy-eight thousand, one hundred forty-two".