335728025729 has 4 divisors (see below), whose sum is σ = 353397921840. Its totient is φ = 318058129620.

The previous prime is 335728025719. The next prime is 335728025837. The reversal of 335728025729 is 927520827533.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 335728025729 - 2⁴ = 335728025713 is a prime.

It is a super-2 number, since 2×335728025729² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (335728025719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8834948027 + ... + 8834948064.

It is an arithmetic number, because the mean of its divisors is an integer number (88349480460).

Almost surely, 2^335728025729 is an apocalyptic number.

It is an amenable number.

335728025729 is a deficient number, since it is larger than the sum of its proper divisors (17669896111).

335728025729 is a wasteful number, since it uses less digits than its factorization.

335728025729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17669896110.

The product of its (nonzero) digits is 6350400, while the sum is 53.

The spelling of 335728025729 in words is "three hundred thirty-five billion, seven hundred twenty-eight million, twenty-five thousand, seven hundred twenty-nine".