4931394542 has 32 divisors (see below), whose sum is σ = 7646310144. Its totient is φ = 2383920000.

The previous prime is 4931394541. The next prime is 4931394569. The reversal of 4931394542 is 2454931394.

It is a junction number, because it is equal to n+sod(n) for n = 4931394493 and 4931394502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4931394541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5206913 + ... + 5207859.

It is an arithmetic number, because the mean of its divisors is an integer number (238947192).

Almost surely, 2^4931394542 is an apocalyptic number.

4931394542 is a deficient number, since it is larger than the sum of its proper divisors (2714915602).

4931394542 is a wasteful number, since it uses less digits than its factorization.

4931394542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544.

The product of its digits is 466560, while the sum is 44.

The square root of 4931394542 is about 70223.8886846919. Note that the first 3 decimals coincide. The cubic root of 4931394542 is about 1702.1189888012.

The spelling of 4931394542 in words is "four billion, nine hundred thirty-one million, three hundred ninety-four thousand, five hundred forty-two".