1939852742 has 16 divisors (see below), whose sum is σ = 2990607360. Its totient is φ = 943350408.

The previous prime is 1939852741. The next prime is 1939852769. The reversal of 1939852742 is 2472589391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1939852741) 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, 81038 + ... + 102209.

It is an arithmetic number, because the mean of its divisors is an integer number (186912960).

Almost surely, 2^1939852742 is an apocalyptic number.

1939852742 is a deficient number, since it is larger than the sum of its proper divisors (1050754618).

1939852742 is a wasteful number, since it uses less digits than its factorization.

1939852742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183395.

The product of its digits is 1088640, while the sum is 50.

The square root of 1939852742 is about 44043.7593990340. The cubic root of 1939852742 is about 1247.1621471084.

The spelling of 1939852742 in words is "one billion, nine hundred thirty-nine million, eight hundred fifty-two thousand, seven hundred forty-two".