69050742144 has 128 divisors (see below), whose sum is σ = 187051680000. Its totient is φ = 22564362240.

The previous prime is 69050742139. The next prime is 69050742161. The reversal of 69050742144 is 44124705096.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 69050742096 and 69050742105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4873182 + ... + 4887330.

It is an arithmetic number, because the mean of its divisors is an integer number (1461341250).

Almost surely, 2^69050742144 is an apocalyptic number.

69050742144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69050742144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93525840000).

69050742144 is an abundant number, since it is smaller than the sum of its proper divisors (118000937856).

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

69050742144 is a wasteful number, since it uses less digits than its factorization.

69050742144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14416 (or 14404 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 69050742144 in words is "sixty-nine billion, fifty million, seven hundred forty-two thousand, one hundred forty-four".