39734028823 has 2 divisors, whose sum is σ = 39734028824. Its totient is φ = 39734028822.

The previous prime is 39734028809. The next prime is 39734028857. The reversal of 39734028823 is 32882043793.

It is a weak prime.

It is an emirp because it is prime and its reverse (32882043793) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39734028823 is a prime.

It is a super-3 number, since 3×39734028823³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39734028623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19867014411 + 19867014412.

It is an arithmetic number, because the mean of its divisors is an integer number (19867014412).

Almost surely, 2^39734028823 is an apocalyptic number.

39734028823 is a deficient number, since it is larger than the sum of its proper divisors (1).

39734028823 is an equidigital number, since it uses as much as digits as its factorization.

39734028823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 39734028823 in words is "thirty-nine billion, seven hundred thirty-four million, twenty-eight thousand, eight hundred twenty-three".