39148541816 has 8 divisors (see below), whose sum is σ = 73403515920. Its totient is φ = 19574270904.

The previous prime is 39148541807. The next prime is 39148541837. The reversal of 39148541816 is 61814584193.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2446783856 + ... + 2446783871.

It is an arithmetic number, because the mean of its divisors is an integer number (9175439490).

Almost surely, 2^39148541816 is an apocalyptic number.

It is an amenable number.

39148541816 is a deficient number, since it is larger than the sum of its proper divisors (34254974104).

39148541816 is a wasteful number, since it uses less digits than its factorization.

39148541816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4893567733 (or 4893567729 counting only the distinct ones).

The product of its digits is 829440, while the sum is 50.

The spelling of 39148541816 in words is "thirty-nine billion, one hundred forty-eight million, five hundred forty-one thousand, eight hundred sixteen".