69828749562 has 64 divisors (see below), whose sum is σ = 164200014720. Its totient is φ = 19517414400.

The previous prime is 69828749531. The next prime is 69828749603. The reversal of 69828749562 is 26594782896.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 69828749493 and 69828749502.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1102614 + ... + 1164222.

It is an arithmetic number, because the mean of its divisors is an integer number (2565625230).

Almost surely, 2^69828749562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69828749562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82100007360).

69828749562 is an abundant number, since it is smaller than the sum of its proper divisors (94371265158).

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

69828749562 is a wasteful number, since it uses less digits than its factorization.

69828749562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62959.

The product of its digits is 104509440, while the sum is 66.

The spelling of 69828749562 in words is "sixty-nine billion, eight hundred twenty-eight million, seven hundred forty-nine thousand, five hundred sixty-two".