68899307430 has 16 divisors (see below), whose sum is σ = 165358337904. Its totient is φ = 18373148640.

The previous prime is 68899307383. The next prime is 68899307437. The reversal of 68899307430 is 3470399886.

It is a happy number.

It is a super-2 number, since 2×68899307430² (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 (68899307437) 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, 1148321761 + ... + 1148321820.

It is an arithmetic number, because the mean of its divisors is an integer number (10334896119).

Almost surely, 2^68899307430 is an apocalyptic number.

68899307430 is an abundant number, since it is smaller than the sum of its proper divisors (96459030474).

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

68899307430 is a wasteful number, since it uses less digits than its factorization.

68899307430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296643591.

The product of its (nonzero) digits is 7838208, while the sum is 57.

The spelling of 68899307430 in words is "sixty-eight billion, eight hundred ninety-nine million, three hundred seven thousand, four hundred thirty".