2727286981 has 2 divisors, whose sum is σ = 2727286982. Its totient is φ = 2727286980.

The previous prime is 2727286967. The next prime is 2727287009. The reversal of 2727286981 is 1896827272.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2717953956 + 9333025 = 52134^2 + 3055^2 .

It is a cyclic number.

It is not a de Polignac number, because 2727286981 - 2⁵ = 2727286949 is a prime.

It is a super-2 number, since 2×2727286981² = 14876188553464188722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2727286921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1363643490 + 1363643491.

It is an arithmetic number, because the mean of its divisors is an integer number (1363643491).

Almost surely, 2^2727286981 is an apocalyptic number.

It is an amenable number.

2727286981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2727286981 is an equidigital number, since it uses as much as digits as its factorization.

2727286981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 52.

The square root of 2727286981 is about 52223.4332555798. The cubic root of 2727286981 is about 1397.1518595420.

The spelling of 2727286981 in words is "two billion, seven hundred twenty-seven million, two hundred eighty-six thousand, nine hundred eighty-one".