39143099168 has 12 divisors (see below), whose sum is σ = 77062976550. Its totient is φ = 19571549568.

The previous prime is 39143099161. The next prime is 39143099179. The reversal of 39143099168 is 86199034193.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 37253632144 + 1889467024 = 193012^2 + 43468^2 .

It is not an unprimeable number, because it can be changed into a prime (39143099161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611610893 + ... + 611610956.

Almost surely, 2^39143099168 is an apocalyptic number.

It is an amenable number.

39143099168 is a deficient number, since it is larger than the sum of its proper divisors (37919877382).

39143099168 is a wasteful number, since it uses less digits than its factorization.

39143099168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223221859 (or 1223221851 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 53.

The spelling of 39143099168 in words is "thirty-nine billion, one hundred forty-three million, ninety-nine thousand, one hundred sixty-eight".