68708374069 has 4 divisors (see below), whose sum is σ = 68717989440. Its totient is φ = 68698758700.

The previous prime is 68708374039. The next prime is 68708374103. The reversal of 68708374069 is 96047380786.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68708374069 - 2¹¹ = 68708372021 is a prime.

It is a super-2 number, since 2×68708374069² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68708374039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4796959 + ... + 4811260.

It is an arithmetic number, because the mean of its divisors is an integer number (17179497360).

Almost surely, 2^68708374069 is an apocalyptic number.

It is an amenable number.

68708374069 is a deficient number, since it is larger than the sum of its proper divisors (9615371).

68708374069 is an equidigital number, since it uses as much as digits as its factorization.

68708374069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9615370.

The product of its (nonzero) digits is 12192768, while the sum is 58.

The spelling of 68708374069 in words is "sixty-eight billion, seven hundred eight million, three hundred seventy-four thousand, sixty-nine".