39747351066 has 32 divisors (see below), whose sum is σ = 80696549376. Its totient is φ = 13049190000.

The previous prime is 39747351013. The next prime is 39747351071. The reversal of 39747351066 is 66015374793.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375091 + ... + 469241.

It is an arithmetic number, because the mean of its divisors is an integer number (2521767168).

Almost surely, 2^39747351066 is an apocalyptic number.

39747351066 is an abundant number, since it is smaller than the sum of its proper divisors (40949198310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39747351066 is a wasteful number, since it uses less digits than its factorization.

39747351066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95218.

The product of its (nonzero) digits is 2857680, while the sum is 51.

The spelling of 39747351066 in words is "thirty-nine billion, seven hundred forty-seven million, three hundred fifty-one thousand, sixty-six".