228693355029 has 24 divisors (see below), whose sum is σ = 331662082752. Its totient is φ = 151849918080.

The previous prime is 228693355021. The next prime is 228693355043. The reversal of 228693355029 is 920553396822.

228693355029 is a `hidden beast` number, since 2 + 2 + 8 + 69 + 3 + 3 + 550 + 29 = 666.

It is not a de Polignac number, because 228693355029 - 2³ = 228693355021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228693355021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16697074 + ... + 16710764.

It is an arithmetic number, because the mean of its divisors is an integer number (13819253448).

Almost surely, 2^228693355029 is an apocalyptic number.

It is an amenable number.

228693355029 is a deficient number, since it is larger than the sum of its proper divisors (102968727723).

228693355029 is a wasteful number, since it uses less digits than its factorization.

228693355029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21017 (or 21014 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

The spelling of 228693355029 in words is "two hundred twenty-eight billion, six hundred ninety-three million, three hundred fifty-five thousand, twenty-nine".