69312929140 has 192 divisors, whose sum is σ = 187470581760. Its totient is φ = 20936724480.

The previous prime is 69312929123. The next prime is 69312929141. The reversal of 69312929140 is 4192921396.

It is a super-2 number, since 2×69312929140² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69312929141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4110246 + ... + 4127074.

It is an arithmetic number, because the mean of its divisors is an integer number (976409280).

Almost surely, 2^69312929140 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 69312929140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93735290880).

69312929140 is an abundant number, since it is smaller than the sum of its proper divisors (118157652620).

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

69312929140 is a wasteful number, since it uses less digits than its factorization.

69312929140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16962 (or 16960 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 46.

The spelling of 69312929140 in words is "sixty-nine billion, three hundred twelve million, nine hundred twenty-nine thousand, one hundred forty".