39795143634 has 48 divisors (see below), whose sum is σ = 91447574400. Its totient is φ = 12463850880.

The previous prime is 39795143593. The next prime is 39795143677. The reversal of 39795143634 is 43634159793.

39795143634 is a `hidden beast` number, since 3 + 97 + 9 + 514 + 3 + 6 + 34 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74739 + ... + 291849.

It is an arithmetic number, because the mean of its divisors is an integer number (1905157800).

Almost surely, 2^39795143634 is an apocalyptic number.

39795143634 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 39795143634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45723787200).

39795143634 is an abundant number, since it is smaller than the sum of its proper divisors (51652430766).

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

39795143634 is a wasteful number, since it uses less digits than its factorization.

39795143634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217735 (or 217732 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 54.

The spelling of 39795143634 in words is "thirty-nine billion, seven hundred ninety-five million, one hundred forty-three thousand, six hundred thirty-four".