69472323648 has 392 divisors, whose sum is σ = 254408358848. Its totient is φ = 18321251328.

The previous prime is 69472323647. The next prime is 69472323667. The reversal of 69472323648 is 84632327496.

69472323648 is a `hidden beast` number, since 6 + 9 + 47 + 232 + 364 + 8 = 666.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 69472323594 and 69472323603.

It is not an unprimeable number, because it can be changed into a prime (69472323647) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 4237515 + ... + 4253877.

Almost surely, 2^69472323648 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 69472323648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127204179424).

69472323648 is an abundant number, since it is smaller than the sum of its proper divisors (184936035200).

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

69472323648 is a wasteful number, since it uses less digits than its factorization.

69472323648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16413 (or 16388 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 54.

The spelling of 69472323648 in words is "sixty-nine billion, four hundred seventy-two million, three hundred twenty-three thousand, six hundred forty-eight".