39795339221 has 24 divisors (see below), whose sum is σ = 44792697600. Its totient is φ = 35315485920.

The previous prime is 39795339217. The next prime is 39795339239. The reversal of 39795339221 is 12293359793.

It is not a de Polignac number, because 39795339221 - 2² = 39795339217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39795339281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1260596 + ... + 1291778.

It is an arithmetic number, because the mean of its divisors is an integer number (1866362400).

Almost surely, 2^39795339221 is an apocalyptic number.

It is an amenable number.

39795339221 is a deficient number, since it is larger than the sum of its proper divisors (4997358379).

39795339221 is a wasteful number, since it uses less digits than its factorization.

39795339221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31457 (or 31446 counting only the distinct ones).

The product of its digits is 2755620, while the sum is 53.

The spelling of 39795339221 in words is "thirty-nine billion, seven hundred ninety-five million, three hundred thirty-nine thousand, two hundred twenty-one".