68461029069 has 8 divisors (see below), whose sum is σ = 96650864640. Its totient is φ = 42955939776.

The previous prime is 68461029041. The next prime is 68461029079. The reversal of 68461029069 is 96092016486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68461029069 - 2¹¹ = 68461027021 is a prime.

It is a super-2 number, since 2×68461029069² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 1342373119 = 68461029069 / (6 + 8 + 4 + 6 + 1 + 0 + 2 + 9 + 0 + 6 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68461029029) 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, 671186509 + ... + 671186610.

It is an arithmetic number, because the mean of its divisors is an integer number (12081358080).

Almost surely, 2^68461029069 is an apocalyptic number.

It is an amenable number.

68461029069 is a deficient number, since it is larger than the sum of its proper divisors (28189835571).

68461029069 is a wasteful number, since it uses less digits than its factorization.

68461029069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342373139.

The product of its (nonzero) digits is 1119744, while the sum is 51.

The spelling of 68461029069 in words is "sixty-eight billion, four hundred sixty-one million, twenty-nine thousand, sixty-nine".