69042137938 has 8 divisors (see below), whose sum is σ = 105021843840. Its totient is φ = 34034856660.

The previous prime is 69042137911. The next prime is 69042137939. The reversal of 69042137938 is 83973124096.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×69042137938³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (69042137939) by changing a digit.

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, 243105978 + ... + 243106261.

It is an arithmetic number, because the mean of its divisors is an integer number (13127730480).

Almost surely, 2^69042137938 is an apocalyptic number.

69042137938 is a deficient number, since it is larger than the sum of its proper divisors (35979705902).

69042137938 is a wasteful number, since it uses less digits than its factorization.

69042137938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486212312.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 69042137938 in words is "sixty-nine billion, forty-two million, one hundred thirty-seven thousand, nine hundred thirty-eight".