32215051409 has 2 divisors, whose sum is σ = 32215051410. Its totient is φ = 32215051408.

The previous prime is 32215051403. The next prime is 32215051441. The reversal of 32215051409 is 90415051223.

It is an a-pointer prime, because the next prime (32215051441) can be obtained adding 32215051409 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27600838225 + 4614213184 = 166135^2 + 67928^2 .

It is a cyclic number.

It is not a de Polignac number, because 32215051409 - 2²⁰ = 32214002833 is a prime.

It is not a weakly prime, because it can be changed into another prime (32215051403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16107525704 + 16107525705.

It is an arithmetic number, because the mean of its divisors is an integer number (16107525705).

Almost surely, 2^32215051409 is an apocalyptic number.

It is an amenable number.

32215051409 is a deficient number, since it is larger than the sum of its proper divisors (1).

32215051409 is an equidigital number, since it uses as much as digits as its factorization.

32215051409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 32215051409 in words is "thirty-two billion, two hundred fifteen million, fifty-one thousand, four hundred nine".