2742530433646 has 32 divisors (see below), whose sum is σ = 4470291486720. Its totient is φ = 1257104772000.

The previous prime is 2742530433619. The next prime is 2742530433683. The reversal of 2742530433646 is 6463340352472.

It is a self number, because there is not a number n which added to its sum of digits gives 2742530433646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20202196 + ... + 20337496.

It is an arithmetic number, because the mean of its divisors is an integer number (139696608960).

Almost surely, 2^{2742530433646} is an apocalyptic number.

2742530433646 is a deficient number, since it is larger than the sum of its proper divisors (1727761053074).

2742530433646 is a wasteful number, since it uses less digits than its factorization.

2742530433646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152560.

The product of its (nonzero) digits is 8709120, while the sum is 49.

The spelling of 2742530433646 in words is "two trillion, seven hundred forty-two billion, five hundred thirty million, four hundred thirty-three thousand, six hundred forty-six".