69489052416 has 360 divisors, whose sum is σ = 244458998784. Its totient is φ = 19212318720.

The previous prime is 69489052403. The next prime is 69489052421. The reversal of 69489052416 is 61425098496.

69489052416 is a `hidden beast` number, since 6 + 94 + 8 + 90 + 52 + 416 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4491991 + ... + 4507433.

Almost surely, 2^69489052416 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 69489052416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122229499392).

69489052416 is an abundant number, since it is smaller than the sum of its proper divisors (174969946368).

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

69489052416 is a wasteful number, since it uses less digits than its factorization.

69489052416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15509 (or 15486 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 69489052416 in words is "sixty-nine billion, four hundred eighty-nine million, fifty-two thousand, four hundred sixteen".