2742530722247 has 2 divisors, whose sum is σ = 2742530722248. Its totient is φ = 2742530722246.

The previous prime is 2742530722207. The next prime is 2742530722259. The reversal of 2742530722247 is 7422270352472.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2742530722247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2742530722207) by changing a digit.

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 as a sum of consecutive naturals, namely, 1371265361123 + 1371265361124.

It is an arithmetic number, because the mean of its divisors is an integer number (1371265361124).

Almost surely, 2^{2742530722247} is an apocalyptic number.

2742530722247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2742530722247 is an equidigital number, since it uses as much as digits as its factorization.

2742530722247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2634240, while the sum is 47.

The spelling of 2742530722247 in words is "two trillion, seven hundred forty-two billion, five hundred thirty million, seven hundred twenty-two thousand, two hundred forty-seven".