2720102549 has 2 divisors, whose sum is σ = 2720102550. Its totient is φ = 2720102548.

The previous prime is 2720102509. The next prime is 2720102563. The reversal of 2720102549 is 9452010272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1901570449 + 818532100 = 43607^2 + 28610^2 .

It is a cyclic number.

It is not a de Polignac number, because 2720102549 - 2²⁰ = 2719053973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2720102509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360051274 + 1360051275.

It is an arithmetic number, because the mean of its divisors is an integer number (1360051275).

Almost surely, 2^2720102549 is an apocalyptic number.

It is an amenable number.

2720102549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2720102549 is an equidigital number, since it uses as much as digits as its factorization.

2720102549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 2720102549 is about 52154.6023760128. The cubic root of 2720102549 is about 1395.9239519072.

The spelling of 2720102549 in words is "two billion, seven hundred twenty million, one hundred two thousand, five hundred forty-nine".