69042145536 has 216 divisors, whose sum is σ = 245004468800. Its totient is φ = 18208862208.

The previous prime is 69042145483. The next prime is 69042145561. The reversal of 69042145536 is 63554124096.

69042145536 is a `hidden beast` number, since 6 + 90 + 4 + 2 + 1 + 4 + 553 + 6 = 666.

It is a super-3 number, since 3×69042145536³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 69042145491 and 69042145500.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45015 + ... + 374313.

Almost surely, 2^69042145536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69042145536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122502234400).

69042145536 is an abundant number, since it is smaller than the sum of its proper divisors (175962323264).

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

69042145536 is a wasteful number, since it uses less digits than its factorization.

69042145536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329341 (or 329324 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 69042145536 in words is "sixty-nine billion, forty-two million, one hundred forty-five thousand, five hundred thirty-six".