2729250913 has 2 divisors, whose sum is σ = 2729250914. Its totient is φ = 2729250912.

The previous prime is 2729250857. The next prime is 2729250989. The reversal of 2729250913 is 3190529272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1796742544 + 932508369 = 42388^2 + 30537^2 .

It is a cyclic number.

It is not a de Polignac number, because 2729250913 - 2⁹ = 2729250401 is a prime.

It is a super-2 number, since 2×2729250913² = 14897621092222667138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2729250113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364625456 + 1364625457.

It is an arithmetic number, because the mean of its divisors is an integer number (1364625457).

Almost surely, 2^2729250913 is an apocalyptic number.

It is an amenable number.

2729250913 is a deficient number, since it is larger than the sum of its proper divisors (1).

2729250913 is an equidigital number, since it uses as much as digits as its factorization.

2729250913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 2729250913 is about 52242.2330399458. The cubic root of 2729250913 is about 1397.4871442521.

The spelling of 2729250913 in words is "two billion, seven hundred twenty-nine million, two hundred fifty thousand, nine hundred thirteen".