2698411081 has 2 divisors, whose sum is σ = 2698411082. Its totient is φ = 2698411080.

The previous prime is 2698411069. The next prime is 2698411099. The reversal of 2698411081 is 1801148962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2252356681 + 446054400 = 47459^2 + 21120^2 .

It is a cyclic number.

It is not a de Polignac number, because 2698411081 - 2¹¹ = 2698409033 is a prime.

It is a super-3 number, since 3×2698411081³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (2698411021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1349205540 + 1349205541.

It is an arithmetic number, because the mean of its divisors is an integer number (1349205541).

Almost surely, 2^2698411081 is an apocalyptic number.

It is an amenable number.

2698411081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2698411081 is an equidigital number, since it uses as much as digits as its factorization.

2698411081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 2698411081 is about 51946.2325967918. The cubic root of 2698411081 is about 1392.2034443104.

The spelling of 2698411081 in words is "two billion, six hundred ninety-eight million, four hundred eleven thousand, eighty-one".