68067701469 has 24 divisors (see below), whose sum is σ = 98949725784. Its totient is φ = 45088272000.

The previous prime is 68067701467. The next prime is 68067701477. The reversal of 68067701469 is 96410776086.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16234072569 + 51833628900 = 127413^2 + 227670^2 .

It is not a de Polignac number, because 68067701469 - 2¹ = 68067701467 is a prime.

It is a super-2 number, since 2×68067701469² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68067701461) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1906159 + ... + 1941539.

It is an arithmetic number, because the mean of its divisors is an integer number (4122905241).

Almost surely, 2^68067701469 is an apocalyptic number.

It is an amenable number.

68067701469 is a deficient number, since it is larger than the sum of its proper divisors (30882024315).

68067701469 is a wasteful number, since it uses less digits than its factorization.

68067701469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36749 (or 36746 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 68067701469 in words is "sixty-eight billion, sixty-seven million, seven hundred one thousand, four hundred sixty-nine".