32121144449 has 2 divisors, whose sum is σ = 32121144450. Its totient is φ = 32121144448.

The previous prime is 32121144323. The next prime is 32121144457. The reversal of 32121144449 is 94444112123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24616041025 + 7505103424 = 156895^2 + 86632^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32121144449 is a prime.

It is not a weakly prime, because it can be changed into another prime (32121140449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16060572224 + 16060572225.

It is an arithmetic number, because the mean of its divisors is an integer number (16060572225).

Almost surely, 2^32121144449 is an apocalyptic number.

It is an amenable number.

32121144449 is a deficient number, since it is larger than the sum of its proper divisors (1).

32121144449 is an equidigital number, since it uses as much as digits as its factorization.

32121144449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 35.

The spelling of 32121144449 in words is "thirty-two billion, one hundred twenty-one million, one hundred forty-four thousand, four hundred forty-nine".