2706863521 has 2 divisors, whose sum is σ = 2706863522. Its totient is φ = 2706863520.

The previous prime is 2706863513. The next prime is 2706863563. The reversal of 2706863521 is 1253686072.

2706863521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2601000000 + 105863521 = 51000^2 + 10289^2 .

It is a cyclic number.

It is not a de Polignac number, because 2706863521 - 2³ = 2706863513 is a prime.

It is a super-2 number, since 2×2706863521² = 14654220242641034882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2706863221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1353431760 + 1353431761.

It is an arithmetic number, because the mean of its divisors is an integer number (1353431761).

Almost surely, 2^2706863521 is an apocalyptic number.

It is an amenable number.

2706863521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2706863521 is an equidigital number, since it uses as much as digits as its factorization.

2706863521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 2706863521 is about 52027.5265700763. The cubic root of 2706863521 is about 1393.6555643791.

The spelling of 2706863521 in words is "two billion, seven hundred six million, eight hundred sixty-three thousand, five hundred twenty-one".