68733338919 has 32 divisors (see below), whose sum is σ = 105766679040. Its totient is φ = 38890357632.

The previous prime is 68733338893. The next prime is 68733338929. The reversal of 68733338919 is 91983333786.

It is not a de Polignac number, because 68733338919 - 2²¹ = 68731241767 is a prime.

It is a super-2 number, since 2×68733338919² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68733338929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3806757 + ... + 3824769.

It is an arithmetic number, because the mean of its divisors is an integer number (3305208720).

Almost surely, 2^68733338919 is an apocalyptic number.

68733338919 is a deficient number, since it is larger than the sum of its proper divisors (37033340121).

68733338919 is a wasteful number, since it uses less digits than its factorization.

68733338919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19799.

The product of its digits is 17635968, while the sum is 60.

The spelling of 68733338919 in words is "sixty-eight billion, seven hundred thirty-three million, three hundred thirty-eight thousand, nine hundred nineteen".