228807934749 has 12 divisors (see below), whose sum is σ = 330537629916. Its totient is φ = 152521417152.

The previous prime is 228807934741. The next prime is 228807934787. The reversal of 228807934749 is 947439708822.

228807934749 is a `hidden beast` number, since 2 + 288 + 0 + 7 + 9 + 347 + 4 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 114534864900 + 114273069849 = 338430^2 + 338043^2 .

It is not a de Polignac number, because 228807934749 - 2³ = 228807934741 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228807934741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1349352 + ... + 1509425.

It is an arithmetic number, because the mean of its divisors is an integer number (27544802493).

Almost surely, 2^228807934749 is an apocalyptic number.

It is an amenable number.

228807934749 is a deficient number, since it is larger than the sum of its proper divisors (101729695167).

228807934749 is a wasteful number, since it uses less digits than its factorization.

228807934749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867676 (or 2867673 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 228807934749 in words is "two hundred twenty-eight billion, eight hundred seven million, nine hundred thirty-four thousand, seven hundred forty-nine".