69381121032648 has 96 divisors (see below), whose sum is σ = 188042864101560. Its totient is φ = 23110347264000.

The previous prime is 69381121032631. The next prime is 69381121032659. The reversal of 69381121032648 is 84623012118396.

It is a happy number.

69381121032648 is a `hidden beast` number, since 6 + 9 + 381 + 1 + 210 + 3 + 2 + 6 + 48 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 53662100495364 + 15719020537284 = 7325442^2 + 3964722^2 .

It is a junction number, because it is equal to n+sod(n) for n = 69381121032594 and 69381121032603.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1038652786 + ... + 1038719582.

Almost surely, 2^{69381121032648} is an apocalyptic number.

It is an amenable number.

69381121032648 is an abundant number, since it is smaller than the sum of its proper divisors (118661743068912).

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

69381121032648 is a wasteful number, since it uses less digits than its factorization.

69381121032648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77007 (or 77000 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 69381121032648 in words is "sixty-nine trillion, three hundred eighty-one billion, one hundred twenty-one million, thirty-two thousand, six hundred forty-eight".