69042069738 has 16 divisors (see below), whose sum is σ = 153426821760. Its totient is φ = 23014023228.

The previous prime is 69042069637. The next prime is 69042069739. The reversal of 69042069738 is 83796024096.

It is a happy number.

69042069738 is a `hidden beast` number, since 6 + 90 + 420 + 69 + 73 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1278556847 = 69042069738 / (6 + 9 + 0 + 4 + 2 + 0 + 6 + 9 + 7 + 3 + 8).

It is not an unprimeable number, because it can be changed into a prime (69042069739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639278370 + ... + 639278477.

It is an arithmetic number, because the mean of its divisors is an integer number (9589176360).

Almost surely, 2^69042069738 is an apocalyptic number.

69042069738 is an abundant number, since it is smaller than the sum of its proper divisors (84384752022).

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

69042069738 is a wasteful number, since it uses less digits than its factorization.

69042069738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278556858 (or 1278556852 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 69042069738 in words is "sixty-nine billion, forty-two million, sixty-nine thousand, seven hundred thirty-eight".