3919786142 has 16 divisors (see below), whose sum is σ = 6040258992. Its totient is φ = 1906395840.

The previous prime is 3919786141. The next prime is 3919786183. The reversal of 3919786142 is 2416879193.

3919786142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3919786141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478493 + ... + 486615.

It is an arithmetic number, because the mean of its divisors is an integer number (377516187).

Almost surely, 2^3919786142 is an apocalyptic number.

3919786142 is a deficient number, since it is larger than the sum of its proper divisors (2120472850).

3919786142 is a wasteful number, since it uses less digits than its factorization.

3919786142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14683.

The product of its digits is 653184, while the sum is 50.

The square root of 3919786142 is about 62608.1954858947. The cubic root of 3919786142 is about 1576.7183586330.

The spelling of 3919786142 in words is "three billion, nine hundred nineteen million, seven hundred eighty-six thousand, one hundred forty-two".