2742524243666 has 8 divisors (see below), whose sum is σ = 4113954946764. Its totient is φ = 1371205928080.

The previous prime is 2742524243609. The next prime is 2742524243677. The reversal of 2742524243666 is 6663424252472.

It can be written as a sum of positive squares in 2 ways, for example, as 2738379588025 + 4144655641 = 1654805^2 + 64379^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2742524243666² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28035845 + ... + 28133496.

Almost surely, 2^{2742524243666} is an apocalyptic number.

2742524243666 is a deficient number, since it is larger than the sum of its proper divisors (1371430703098).

2742524243666 is a wasteful number, since it uses less digits than its factorization.

2742524243666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56193756.

The product of its digits is 23224320, while the sum is 53.

The spelling of 2742524243666 in words is "two trillion, seven hundred forty-two billion, five hundred twenty-four million, two hundred forty-three thousand, six hundred sixty-six".