69942867064 has 16 divisors (see below), whose sum is σ = 149877572400. Its totient is φ = 29975514432.

The previous prime is 69942867053. The next prime is 69942867073. The reversal of 69942867064 is 46076824996.

It is a junction number, because it is equal to n+sod(n) for n = 69942866993 and 69942867011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624489829 + ... + 624489940.

It is an arithmetic number, because the mean of its divisors is an integer number (9367348275).

Almost surely, 2^69942867064 is an apocalyptic number.

It is an amenable number.

69942867064 is an abundant number, since it is smaller than the sum of its proper divisors (79934705336).

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

69942867064 is a wasteful number, since it uses less digits than its factorization.

69942867064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248979782 (or 1248979778 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 61.

The spelling of 69942867064 in words is "sixty-nine billion, nine hundred forty-two million, eight hundred sixty-seven thousand, sixty-four".