68147142434 has 16 divisors (see below), whose sum is σ = 116827612800. Its totient is φ = 29204933184.

The previous prime is 68147142421. The next prime is 68147142491. The reversal of 68147142434 is 43424174186.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 481082 + ... + 606410.

It is an arithmetic number, because the mean of its divisors is an integer number (7301725800).

Almost surely, 2^68147142434 is an apocalyptic number.

68147142434 is a deficient number, since it is larger than the sum of its proper divisors (48680470366).

68147142434 is a wasteful number, since it uses less digits than its factorization.

68147142434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164177.

The product of its digits is 516096, while the sum is 44.

The spelling of 68147142434 in words is "sixty-eight billion, one hundred forty-seven million, one hundred forty-two thousand, four hundred thirty-four".