2725699429 has 4 divisors (see below), whose sum is σ = 2727235084. Its totient is φ = 2724163776.

The previous prime is 2725699421. The next prime is 2725699441. The reversal of 2725699429 is 9249965272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1705855204 + 1019844225 = 41302^2 + 31935^2 .

It is a cyclic number.

It is not a de Polignac number, because 2725699429 - 2³ = 2725699421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2725699429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2725699421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765162 + ... + 768715.

It is an arithmetic number, because the mean of its divisors is an integer number (681808771).

Almost surely, 2^2725699429 is an apocalyptic number.

It is an amenable number.

2725699429 is a deficient number, since it is larger than the sum of its proper divisors (1535655).

2725699429 is a wasteful number, since it uses less digits than its factorization.

2725699429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535654.

The product of its digits is 4898880, while the sum is 55.

The square root of 2725699429 is about 52208.2314295361. The cubic root of 2725699429 is about 1396.8807131904.

The spelling of 2725699429 in words is "two billion, seven hundred twenty-five million, six hundred ninety-nine thousand, four hundred twenty-nine".