68958742999 has 16 divisors (see below), whose sum is σ = 74393233920. Its totient is φ = 63687461760.

The previous prime is 68958742987. The next prime is 68958743099. The reversal of 68958742999 is 99924785986.

It is not a de Polignac number, because 68958742999 - 2¹³ = 68958734807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68958742939) 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 15 ways as a sum of consecutive naturals, for example, 61404 + ... + 376414.

It is an arithmetic number, because the mean of its divisors is an integer number (4649577120).

Almost surely, 2^68958742999 is an apocalyptic number.

68958742999 is a deficient number, since it is larger than the sum of its proper divisors (5434490921).

68958742999 is a wasteful number, since it uses less digits than its factorization.

68958742999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315270.

The product of its digits is 705438720, while the sum is 76.

The spelling of 68958742999 in words is "sixty-eight billion, nine hundred fifty-eight million, seven hundred forty-two thousand, nine hundred ninety-nine".