32190538361 has 4 divisors (see below), whose sum is σ = 32328695412. Its totient is φ = 32052381312.

The previous prime is 32190538357. The next prime is 32190538379. The reversal of 32190538361 is 16383509123.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20063022736 + 12127515625 = 141644^2 + 110125^2 .

It is a cyclic number.

It is not a de Polignac number, because 32190538361 - 2² = 32190538357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32190538381) 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, 69078176 + ... + 69078641.

It is an arithmetic number, because the mean of its divisors is an integer number (8082173853).

Almost surely, 2^32190538361 is an apocalyptic number.

It is an amenable number.

32190538361 is a deficient number, since it is larger than the sum of its proper divisors (138157051).

32190538361 is a wasteful number, since it uses less digits than its factorization.

32190538361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138157050.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 32190538361 in words is "thirty-two billion, one hundred ninety million, five hundred thirty-eight thousand, three hundred sixty-one".