69945365144 has 16 divisors (see below), whose sum is σ = 131432051520. Its totient is φ = 34896818080.

The previous prime is 69945365111. The next prime is 69945365167. The reversal of 69945365144 is 44156354996.

It is a self number, because there is not a number n which added to its sum of digits gives 69945365144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9479144 + ... + 9486519.

It is an arithmetic number, because the mean of its divisors is an integer number (8214503220).

Almost surely, 2^69945365144 is an apocalyptic number.

It is an amenable number.

69945365144 is a deficient number, since it is larger than the sum of its proper divisors (61486686376).

69945365144 is a wasteful number, since it uses less digits than its factorization.

69945365144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18966130 (or 18966126 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 56.

The spelling of 69945365144 in words is "sixty-nine billion, nine hundred forty-five million, three hundred sixty-five thousand, one hundred forty-four".