2742530433647 has 4 divisors (see below), whose sum is σ = 2749235887440. Its totient is φ = 2735824979856.

The previous prime is 2742530433619. The next prime is 2742530433683. The reversal of 2742530433647 is 7463340352472.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2742530433647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2742530433595 and 2742530433604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742530433547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3352726283 + ... + 3352727100.

It is an arithmetic number, because the mean of its divisors is an integer number (687308971860).

Almost surely, 2^{2742530433647} is an apocalyptic number.

2742530433647 is a deficient number, since it is larger than the sum of its proper divisors (6705453793).

2742530433647 is an equidigital number, since it uses as much as digits as its factorization.

2742530433647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6705453792.

The product of its (nonzero) digits is 10160640, while the sum is 50.

The spelling of 2742530433647 in words is "two trillion, seven hundred forty-two billion, five hundred thirty million, four hundred thirty-three thousand, six hundred forty-seven".