228029290529 has 8 divisors (see below), whose sum is σ = 229681071360. Its totient is φ = 226381708656.

The previous prime is 228029290493. The next prime is 228029290597. The reversal of 228029290529 is 925092920822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228029290529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228029290129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 940694 + ... + 1157999.

It is an arithmetic number, because the mean of its divisors is an integer number (28710133920).

Almost surely, 2^228029290529 is an apocalyptic number.

It is an amenable number.

228029290529 is a deficient number, since it is larger than the sum of its proper divisors (1651780831).

228029290529 is a wasteful number, since it uses less digits than its factorization.

228029290529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099479.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 228029290529 in words is "two hundred twenty-eight billion, twenty-nine million, two hundred ninety thousand, five hundred twenty-nine".