2742523714642 has 4 divisors (see below), whose sum is σ = 4113785571966. Its totient is φ = 1371261857320.

The previous prime is 2742523714621. The next prime is 2742523714643. The reversal of 2742523714642 is 2464173252472.

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

It can be written as a sum of positive squares in only one way, i.e., 2424843810481 + 317679904161 = 1557191^2 + 563631^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2742523714643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685630928659 + ... + 685630928662.

Almost surely, 2^{2742523714642} is an apocalyptic number.

2742523714642 is a deficient number, since it is larger than the sum of its proper divisors (1371261857324).

2742523714642 is a wasteful number, since it uses less digits than its factorization.

2742523714642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371261857323.

The product of its digits is 4515840, while the sum is 49.

The spelling of 2742523714642 in words is "two trillion, seven hundred forty-two billion, five hundred twenty-three million, seven hundred fourteen thousand, six hundred forty-two".