2749202757139 has 2 divisors, whose sum is σ = 2749202757140. Its totient is φ = 2749202757138.

The previous prime is 2749202757121. The next prime is 2749202757211. The reversal of 2749202757139 is 9317572029472.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2749202757139 - 2⁷ = 2749202757011 is a prime.

It is not a weakly prime, because it can be changed into another prime (2749202757839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374601378569 + 1374601378570.

It is an arithmetic number, because the mean of its divisors is an integer number (1374601378570).

Almost surely, 2^{2749202757139} is an apocalyptic number.

2749202757139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2749202757139 is an equidigital number, since it uses as much as digits as its factorization.

2749202757139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13335840, while the sum is 58.

The spelling of 2749202757139 in words is "two trillion, seven hundred forty-nine billion, two hundred two million, seven hundred fifty-seven thousand, one hundred thirty-nine".