39815328993 has 32 divisors (see below), whose sum is σ = 58386189312. Its totient is φ = 23934187200.

The previous prime is 39815328899. The next prime is 39815329007. The reversal of 39815328993 is 39982351893.

It is not a de Polignac number, because 39815328993 - 2¹⁴ = 39815312609 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (39815328893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2142580 + ... + 2161082.

It is an arithmetic number, because the mean of its divisors is an integer number (1824568416).

Almost surely, 2^39815328993 is an apocalyptic number.

39815328993 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

39815328993 is a deficient number, since it is larger than the sum of its proper divisors (18570860319).

39815328993 is a wasteful number, since it uses less digits than its factorization.

39815328993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19045.

The product of its digits is 12597120, while the sum is 60.

The spelling of 39815328993 in words is "thirty-nine billion, eight hundred fifteen million, three hundred twenty-eight thousand, nine hundred ninety-three".