39649222935 has 36 divisors (see below), whose sum is σ = 79945784568. Its totient is φ = 18125358048.

The previous prime is 39649222919. The next prime is 39649222937. The reversal of 39649222935 is 53922294693.

It is not a de Polignac number, because 39649222935 - 2⁴ = 39649222919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39649222937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8988549 + ... + 8992958.

It is an arithmetic number, because the mean of its divisors is an integer number (2220716238).

Almost surely, 2^39649222935 is an apocalyptic number.

39649222935 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

39649222935 is an abundant number, since it is smaller than the sum of its proper divisors (40296561633).

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

39649222935 is a wasteful number, since it uses less digits than its factorization.

39649222935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17981532 (or 17981522 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 54.

The spelling of 39649222935 in words is "thirty-nine billion, six hundred forty-nine million, two hundred twenty-two thousand, nine hundred thirty-five".