68274134769 has 4 divisors (see below), whose sum is σ = 91032179696. Its totient is φ = 45516089844.

The previous prime is 68274134767. The next prime is 68274134783. The reversal of 68274134769 is 96743147286.

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 not a de Polignac number, because 68274134769 - 2¹ = 68274134767 is a prime.

It is a super-2 number, since 2×68274134769² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68274134767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11379022459 + ... + 11379022464.

It is an arithmetic number, because the mean of its divisors is an integer number (22758044924).

Almost surely, 2^68274134769 is an apocalyptic number.

It is an amenable number.

68274134769 is a deficient number, since it is larger than the sum of its proper divisors (22758044927).

68274134769 is a wasteful number, since it uses less digits than its factorization.

68274134769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22758044926.

The product of its digits is 12192768, while the sum is 57.

The spelling of 68274134769 in words is "sixty-eight billion, two hundred seventy-four million, one hundred thirty-four thousand, seven hundred sixty-nine".