351225919688 has 108 divisors (see below), whose sum is σ = 788305243635. Its totient is φ = 146276105472.

The previous prime is 351225919673. The next prime is 351225919691. The reversal of 351225919688 is 886919522153.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 347606934724 + 3618984964 = 589582^2 + 60158^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=419062.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 434147828 + ... + 434148636.

Almost surely, 2^351225919688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 351225919688

351225919688 is an abundant number, since it is smaller than the sum of its proper divisors (437079323947).

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

351225919688 is an frugal number, since it uses more digits than its factorization.

351225919688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712 (or 855 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 59.

The spelling of 351225919688 in words is "three hundred fifty-one billion, two hundred twenty-five million, nine hundred nineteen thousand, six hundred eighty-eight".