229903887951 has 16 divisors (see below), whose sum is σ = 358524582400. Its totient is φ = 145202455224.

The previous prime is 229903887949. The next prime is 229903888001. The reversal of 229903887951 is 159788309922.

It is not a de Polignac number, because 229903887951 - 2¹ = 229903887949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229903887931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224077351 + ... + 224078376.

It is an arithmetic number, because the mean of its divisors is an integer number (22407786400).

Almost surely, 2^229903887951 is an apocalyptic number.

229903887951 is a deficient number, since it is larger than the sum of its proper divisors (128620694449).

229903887951 is a wasteful number, since it uses less digits than its factorization.

229903887951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448155755 (or 448155749 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 63.

The spelling of 229903887951 in words is "two hundred twenty-nine billion, nine hundred three million, eight hundred eighty-seven thousand, nine hundred fifty-one".