69647339142 has 24 divisors (see below), whose sum is σ = 152237993544. Its totient is φ = 23010329664.

The previous prime is 69647339141. The next prime is 69647339159. The reversal of 69647339142 is 24193374696.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69647339141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17118748 + ... + 17122815.

It is an arithmetic number, because the mean of its divisors is an integer number (6343249731).

Almost surely, 2^69647339142 is an apocalyptic number.

69647339142 is an abundant number, since it is smaller than the sum of its proper divisors (82590654402).

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

69647339142 is a wasteful number, since it uses less digits than its factorization.

69647339142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34241684 (or 34241681 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 54.

The spelling of 69647339142 in words is "sixty-nine billion, six hundred forty-seven million, three hundred thirty-nine thousand, one hundred forty-two".