2726336381 has 2 divisors, whose sum is σ = 2726336382. Its totient is φ = 2726336380.

The previous prime is 2726336351. The next prime is 2726336401. The reversal of 2726336381 is 1836336272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2637336025 + 89000356 = 51355^2 + 9434^2 .

It is a cyclic number.

It is not a de Polignac number, because 2726336381 - 2⁶ = 2726336317 is a prime.

It is a super-2 number, since 2×2726336381² = 14865820124728354322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2726336311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1363168190 + 1363168191.

It is an arithmetic number, because the mean of its divisors is an integer number (1363168191).

Almost surely, 2^2726336381 is an apocalyptic number.

It is an amenable number.

2726336381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2726336381 is an equidigital number, since it uses as much as digits as its factorization.

2726336381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 41.

The square root of 2726336381 is about 52214.3311840724. The cubic root of 2726336381 is about 1396.9895142144.

The spelling of 2726336381 in words is "two billion, seven hundred twenty-six million, three hundred thirty-six thousand, three hundred eighty-one".