39623328854 has 4 divisors (see below), whose sum is σ = 59434993284. Its totient is φ = 19811664426.

The previous prime is 39623328851. The next prime is 39623328947. The reversal of 39623328854 is 45882332693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45882332693 = 13049 ⋅3516157.

It is a junction number, because it is equal to n+sod(n) for n = 39623328796 and 39623328805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39623328851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9905832212 + ... + 9905832215.

It is an arithmetic number, because the mean of its divisors is an integer number (14858748321).

Almost surely, 2^39623328854 is an apocalyptic number.

39623328854 is a deficient number, since it is larger than the sum of its proper divisors (19811664430).

39623328854 is a wasteful number, since it uses less digits than its factorization.

39623328854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19811664429.

The product of its digits is 7464960, while the sum is 53.

The spelling of 39623328854 in words is "thirty-nine billion, six hundred twenty-three million, three hundred twenty-eight thousand, eight hundred fifty-four".