2729250989 has 2 divisors, whose sum is σ = 2729250990. Its totient is φ = 2729250988.

The previous prime is 2729250913. The next prime is 2729251051. The reversal of 2729250989 is 9890529272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2535122500 + 194128489 = 50350^2 + 13933^2 .

It is a cyclic number.

It is not a de Polignac number, because 2729250989 - 2²⁴ = 2712473773 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 2729250989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2729250089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364625494 + 1364625495.

It is an arithmetic number, because the mean of its divisors is an integer number (1364625495).

Almost surely, 2^2729250989 is an apocalyptic number.

It is an amenable number.

2729250989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2729250989 is an equidigital number, since it uses as much as digits as its factorization.

2729250989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The square root of 2729250989 is about 52242.2337673266. The cubic root of 2729250989 is about 1397.4871572238.

The spelling of 2729250989 in words is "two billion, seven hundred twenty-nine million, two hundred fifty thousand, nine hundred eighty-nine".