68334623445 has 32 divisors (see below), whose sum is σ = 119287476864. Its totient is φ = 33128467200.

The previous prime is 68334623443. The next prime is 68334623449. The reversal of 68334623445 is 54432643386.

It is not a de Polignac number, because 68334623445 - 2¹ = 68334623443 is a prime.

It is a super-2 number, since 2×68334623445² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68334623394 and 68334623403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68334623443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2323935 + ... + 2353155.

It is an arithmetic number, because the mean of its divisors is an integer number (3727733652).

Almost surely, 2^68334623445 is an apocalyptic number.

It is an amenable number.

68334623445 is a deficient number, since it is larger than the sum of its proper divisors (50952853419).

68334623445 is a wasteful number, since it uses less digits than its factorization.

68334623445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43413.

The product of its digits is 4976640, while the sum is 48.

The spelling of 68334623445 in words is "sixty-eight billion, three hundred thirty-four million, six hundred twenty-three thousand, four hundred forty-five".