69378252052 has 12 divisors (see below), whose sum is σ = 121415320180. Its totient is φ = 34688160576.

The previous prime is 69378252037. The next prime is 69378252071. The reversal of 69378252052 is 25025287396.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28101828496 + 41276423556 = 167636^2 + 203166^2 .

It is a junction number, because it is equal to n+sod(n) for n = 69378251987 and 69378252005.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 65427 + ... + 378202.

Almost surely, 2^69378252052 is an apocalyptic number.

It is an amenable number.

69378252052 is a deficient number, since it is larger than the sum of its proper divisors (52037068128).

69378252052 is a wasteful number, since it uses less digits than its factorization.

69378252052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482730 (or 482728 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 69378252052 in words is "sixty-nine billion, three hundred seventy-eight million, two hundred fifty-two thousand, fifty-two".