69828647450 has 96 divisors (see below), whose sum is σ = 138631305600. Its totient is φ = 26109374720.

The previous prime is 69828647429. The next prime is 69828647461. The reversal of 69828647450 is 5474682896.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 69828647450.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16393421 + ... + 16397679.

It is an arithmetic number, because the mean of its divisors is an integer number (1444076100).

Almost surely, 2^69828647450 is an apocalyptic number.

69828647450 is a deficient number, since it is larger than the sum of its proper divisors (68802658150).

69828647450 is a wasteful number, since it uses less digits than its factorization.

69828647450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4616 (or 4611 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 69828647450 in words is "sixty-nine billion, eight hundred twenty-eight million, six hundred forty-seven thousand, four hundred fifty".