32502979649 has 4 divisors (see below), whose sum is σ = 37146262464. Its totient is φ = 27859696836.

The previous prime is 32502979573. The next prime is 32502979657. The reversal of 32502979649 is 94697920523.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 32502979649 - 2¹² = 32502975553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32502979594 and 32502979603.

It is not an unprimeable number, because it can be changed into a prime (32502975649) 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, 2321641397 + ... + 2321641410.

It is an arithmetic number, because the mean of its divisors is an integer number (9286565616).

Almost surely, 2^32502979649 is an apocalyptic number.

It is an amenable number.

32502979649 is a deficient number, since it is larger than the sum of its proper divisors (4643282815).

32502979649 is an equidigital number, since it uses as much as digits as its factorization.

32502979649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4643282814.

The product of its (nonzero) digits is 7348320, while the sum is 56.

The spelling of 32502979649 in words is "thirty-two billion, five hundred two million, nine hundred seventy-nine thousand, six hundred forty-nine".