31652905989 has 4 divisors (see below), whose sum is σ = 42203874656. Its totient is φ = 21101937324.

The previous prime is 31652905937. The next prime is 31652906003. The reversal of 31652905989 is 98950925613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 31652905989 - 2¹⁷ = 31652774917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31652905919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5275484329 + ... + 5275484334.

It is an arithmetic number, because the mean of its divisors is an integer number (10550968664).

Almost surely, 2^31652905989 is an apocalyptic number.

It is an amenable number.

31652905989 is a deficient number, since it is larger than the sum of its proper divisors (10550968667).

31652905989 is a wasteful number, since it uses less digits than its factorization.

31652905989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10550968666.

The product of its (nonzero) digits is 5248800, while the sum is 57.

The spelling of 31652905989 in words is "thirty-one billion, six hundred fifty-two million, nine hundred five thousand, nine hundred eighty-nine".