2742132643245 has 12 divisors (see below), whose sum is σ = 4753029915036. Its totient is φ = 1462470743040.

The previous prime is 2742132643231. The next prime is 2742132643249. The reversal of 2742132643245 is 5423462312472.

It is a happy number.

2742132643245 is a `hidden beast` number, since 2 + 7 + 42 + 1 + 326 + 43 + 245 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1105027747209 + 1637104896036 = 1051203^2 + 1279494^2 .

It is not a de Polignac number, because 2742132643245 - 2⁸ = 2742132642989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 60936280961 = 2742132643245 / (2 + 7 + 4 + 2 + 1 + 3 + 2 + 6 + 4 + 3 + 2 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2742132643245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742132643249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30468140436 + ... + 30468140525.

It is an arithmetic number, because the mean of its divisors is an integer number (396085826253).

Almost surely, 2^{2742132643245} is an apocalyptic number.

It is an amenable number.

2742132643245 is a deficient number, since it is larger than the sum of its proper divisors (2010897271791).

2742132643245 is a wasteful number, since it uses less digits than its factorization.

2742132643245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60936280972 (or 60936280969 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 45.

The spelling of 2742132643245 in words is "two trillion, seven hundred forty-two billion, one hundred thirty-two million, six hundred forty-three thousand, two hundred forty-five".