2720800422251 has 2 divisors, whose sum is σ = 2720800422252. Its totient is φ = 2720800422250.

The previous prime is 2720800422211. The next prime is 2720800422281. The reversal of 2720800422251 is 1522240080272.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2720800422251 is a prime.

It is not a weakly prime, because it can be changed into another prime (2720800422211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360400211125 + 1360400211126.

It is an arithmetic number, because the mean of its divisors is an integer number (1360400211126).

Almost surely, 2^{2720800422251} is an apocalyptic number.

2720800422251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2720800422251 is an equidigital number, since it uses as much as digits as its factorization.

2720800422251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35840, while the sum is 35.

The spelling of 2720800422251 in words is "two trillion, seven hundred twenty billion, eight hundred million, four hundred twenty-two thousand, two hundred fifty-one".