69940055056 has 10 divisors (see below), whose sum is σ = 135508856702. Its totient is φ = 34970027520.

The previous prime is 69940055023. The next prime is 69940055063. The reversal of 69940055056 is 65055004996.

It can be written as a sum of positive squares in only one way, i.e., 58185158656 + 11754896400 = 241216^2 + 108420^2 .

It is a super-4 number, since 4×69940055056⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2185626705 + ... + 2185626736.

Almost surely, 2^69940055056 is an apocalyptic number.

It is an amenable number.

69940055056 is a deficient number, since it is larger than the sum of its proper divisors (65568801646).

69940055056 is a wasteful number, since it uses less digits than its factorization.

69940055056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4371253449 (or 4371253443 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 49.

The spelling of 69940055056 in words is "sixty-nine billion, nine hundred forty million, fifty-five thousand, fifty-six".