68454196437 has 32 divisors (see below), whose sum is σ = 100843159680. Its totient is φ = 40959672320.

The previous prime is 68454196411. The next prime is 68454196477. The reversal of 68454196437 is 73469145486.

It is a cyclic number.

It is not a de Polignac number, because 68454196437 - 2¹² = 68454192341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68454196477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 922639 + ... + 994067.

It is an arithmetic number, because the mean of its divisors is an integer number (3151348740).

Almost surely, 2^68454196437 is an apocalyptic number.

It is an amenable number.

68454196437 is a deficient number, since it is larger than the sum of its proper divisors (32388963243).

68454196437 is a wasteful number, since it uses less digits than its factorization.

68454196437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71813.

The product of its digits is 17418240, while the sum is 57.

The spelling of 68454196437 in words is "sixty-eight billion, four hundred fifty-four million, one hundred ninety-six thousand, four hundred thirty-seven".