32990467565 has 32 divisors (see below), whose sum is σ = 45085372416. Its totient is φ = 22939639360.

The previous prime is 32990467511. The next prime is 32990467571. The reversal of 32990467565 is 56576409923.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-32990467565 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 32990467565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3819782 + ... + 3828408.

It is an arithmetic number, because the mean of its divisors is an integer number (1408917888).

Almost surely, 2^32990467565 is an apocalyptic number.

It is an amenable number.

32990467565 is a deficient number, since it is larger than the sum of its proper divisors (12094904851).

32990467565 is a wasteful number, since it uses less digits than its factorization.

32990467565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11689.

The product of its (nonzero) digits is 12247200, while the sum is 56.

The spelling of 32990467565 in words is "thirty-two billion, nine hundred ninety million, four hundred sixty-seven thousand, five hundred sixty-five".