39378243076 has 12 divisors (see below), whose sum is σ = 68962568220. Its totient is φ = 19674652160.

The previous prime is 39378243061. The next prime is 39378243103. The reversal of 39378243076 is 67034287393.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11626014976 + 27752228100 = 107824^2 + 166590^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3611221 + ... + 3622108.

It is an arithmetic number, because the mean of its divisors is an integer number (5746880685).

Almost surely, 2^39378243076 is an apocalyptic number.

It is an amenable number.

39378243076 is a deficient number, since it is larger than the sum of its proper divisors (29584325144).

39378243076 is a wasteful number, since it uses less digits than its factorization.

39378243076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7234694 (or 7234692 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 52.

The spelling of 39378243076 in words is "thirty-nine billion, three hundred seventy-eight million, two hundred forty-three thousand, seventy-six".