39739470000000 has 256 divisors, whose sum is σ = 131947220808000. Its totient is φ = 10597184000000.

The previous prime is 39739469999953. The next prime is 39739470000011. The reversal of 39739470000000 is 7493793.

It is a junction number, because it is equal to n+sod(n) for n = 39739469999898 and 39739469999907.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29337676 + ... + 30662324.

Almost surely, 2^{39739470000000} is an apocalyptic number.

39739470000000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39739470000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65973610404000).

39739470000000 is an abundant number, since it is smaller than the sum of its proper divisors (92207750808000).

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

39739470000000 is an frugal number, since it uses more digits than its factorization.

39739470000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324701 (or 1324659 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 42.

Adding to 39739470000000 its reverse (7493793), we get a palindrome (39739477493793).

The spelling of 39739470000000 in words is "thirty-nine trillion, seven hundred thirty-nine billion, four hundred seventy million", and thus it is an aban number.