32642837404561 has 16 divisors (see below), whose sum is σ = 33160907536848. Its totient is φ = 32129298432000.

The previous prime is 32642837404559. The next prime is 32642837404631. The reversal of 32642837404561 is 16540473824623.

It can be written as a sum of positive squares in 8 ways, for example, as 2766566890000 + 29876270514561 = 1663300^2 + 5465919^2 .

It is a cyclic number.

It is not a de Polignac number, because 32642837404561 - 2¹ = 32642837404559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32642837104561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13199185 + ... + 15475921.

It is an arithmetic number, because the mean of its divisors is an integer number (2072556721053).

Almost surely, 2^{32642837404561} is an apocalyptic number.

It is an amenable number.

32642837404561 is a deficient number, since it is larger than the sum of its proper divisors (518070132287).

32642837404561 is a wasteful number, since it uses less digits than its factorization.

32642837404561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277732.

The product of its (nonzero) digits is 23224320, while the sum is 55.

The spelling of 32642837404561 in words is "thirty-two trillion, six hundred forty-two billion, eight hundred thirty-seven million, four hundred four thousand, five hundred sixty-one".