69439066380 has 36 divisors (see below), whose sum is σ = 210631835232. Its totient is φ = 18517084320.

The previous prime is 69439066313. The next prime is 69439066393. The reversal of 69439066380 is 8366093496.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192886116 + ... + 192886475.

It is an arithmetic number, because the mean of its divisors is an integer number (5850884312).

Almost surely, 2^69439066380 is an apocalyptic number.

69439066380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

69439066380 is an abundant number, since it is smaller than the sum of its proper divisors (141192768852).

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

69439066380 is a wasteful number, since it uses less digits than its factorization.

69439066380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385772606 (or 385772601 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 54.

The spelling of 69439066380 in words is "sixty-nine billion, four hundred thirty-nine million, sixty-six thousand, three hundred eighty".