69494449924 has 27 divisors (see below), whose sum is σ = 123080210911. Its totient is φ = 34333608320.

The previous prime is 69494449909. The next prime is 69494450009. The reversal of 69494449924 is 42994449496.

The square root of 69494449924 is 263618.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 10736689924 + 58757760000 = 103618^2 + 242400^2 .

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 46923264 + ... + 46924744.

Almost surely, 2^69494449924 is an apocalyptic number.

69494449924 is the 263618-th square number.

It is an amenable number.

69494449924 is a deficient number, since it is larger than the sum of its proper divisors (53585760987).

69494449924 is an frugal number, since it uses more digits than its factorization.

69494449924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144 (or 1572 counting only the distinct ones).

The product of its digits is 80621568, while the sum is 64.

Multiplying 69494449924 by its sum of digits (64), we get a square (4447644795136 = 2108944²).

The spelling of 69494449924 in words is "sixty-nine billion, four hundred ninety-four million, four hundred forty-nine thousand, nine hundred twenty-four".