225129693768 has 32 divisors (see below), whose sum is σ = 643227696960. Its totient is φ = 64322769600.

The previous prime is 225129693757. The next prime is 225129693779. The reversal of 225129693768 is 867396921522.

It is an interprime number because it is at equal distance from previous prime (225129693757) and next prime (225129693779).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670028683 + ... + 670029018.

It is an arithmetic number, because the mean of its divisors is an integer number (20100865530).

Almost surely, 2^225129693768 is an apocalyptic number.

225129693768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

225129693768 is an abundant number, since it is smaller than the sum of its proper divisors (418098003192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225129693768 is a wasteful number, since it uses less digits than its factorization.

225129693768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340057717 (or 1340057713 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 60.

The spelling of 225129693768 in words is "two hundred twenty-five billion, one hundred twenty-nine million, six hundred ninety-three thousand, seven hundred sixty-eight".