39100316644 has 9 divisors (see below), whose sum is σ = 68426246217. Its totient is φ = 19549960584.

The previous prime is 39100316621. The next prime is 39100316681. The reversal of 39100316644 is 44661300193.

The square root of 39100316644 is 197738.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 37689563044 + 1410753600 = 194138^2 + 37560^2 .

It is a super-3 number, since 3×39100316644³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 346042 + ... + 444910.

Almost surely, 2^39100316644 is an apocalyptic number.

39100316644 is the 197738-th square number.

It is an amenable number.

39100316644 is a deficient number, since it is larger than the sum of its proper divisors (29325929573).

39100316644 is an frugal number, since it uses more digits than its factorization.

39100316644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197742 (or 98871 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 39100316644 in words is "thirty-nine billion, one hundred million, three hundred sixteen thousand, six hundred forty-four".