2742547142 has 4 divisors (see below), whose sum is σ = 4113820716. Its totient is φ = 1371273570.

The previous prime is 2742547141. The next prime is 2742547187. The reversal of 2742547142 is 2417452472.

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

It is a junction number, because it is equal to n+sod(n) for n = 2742547096 and 2742547105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742547141) by changing a digit.

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, 685636784 + ... + 685636787.

It is an arithmetic number, because the mean of its divisors is an integer number (1028455179).

Almost surely, 2^2742547142 is an apocalyptic number.

2742547142 is a deficient number, since it is larger than the sum of its proper divisors (1371273574).

2742547142 is a wasteful number, since it uses less digits than its factorization.

2742547142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371273573.

The product of its digits is 125440, while the sum is 38.

The square root of 2742547142 is about 52369.3339846899. Note that the first 3 decimals coincide. The cubic root of 2742547142 is about 1399.7528716855.

The spelling of 2742547142 in words is "two billion, seven hundred forty-two million, five hundred forty-seven thousand, one hundred forty-two".