68033294019 has 24 divisors (see below), whose sum is σ = 99014591520. Its totient is φ = 45012198528.

The previous prime is 68033294011. The next prime is 68033294051. The reversal of 68033294019 is 91049233086.

It is a happy number.

It is not a de Polignac number, because 68033294019 - 2³ = 68033294011 is a prime.

It is a super-2 number, since 2×68033294019² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68033294011) 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, 7836309 + ... + 7844985.

It is an arithmetic number, because the mean of its divisors is an integer number (4125607980).

Almost surely, 2^68033294019 is an apocalyptic number.

68033294019 is a deficient number, since it is larger than the sum of its proper divisors (30981297501).

68033294019 is a wasteful number, since it uses less digits than its factorization.

68033294019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15179 (or 15176 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 68033294019 in words is "sixty-eight billion, thirty-three million, two hundred ninety-four thousand, nineteen".