32623344409 has 2 divisors, whose sum is σ = 32623344410. Its totient is φ = 32623344408.

The previous prime is 32623344317. The next prime is 32623344421. The reversal of 32623344409 is 90444332623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16558542400 + 16064802009 = 128680^2 + 126747^2 .

It is an emirp because it is prime and its reverse (90444332623) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32623344409 - 2³³ = 24033409817 is a prime.

It is not a weakly prime, because it can be changed into another prime (32623344499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16311672204 + 16311672205.

It is an arithmetic number, because the mean of its divisors is an integer number (16311672205).

Almost surely, 2^32623344409 is an apocalyptic number.

It is an amenable number.

32623344409 is a deficient number, since it is larger than the sum of its proper divisors (1).

32623344409 is an equidigital number, since it uses as much as digits as its factorization.

32623344409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 40.

The spelling of 32623344409 in words is "thirty-two billion, six hundred twenty-three million, three hundred forty-four thousand, four hundred nine".