42232031226409 has 2 divisors, whose sum is σ = 42232031226410. Its totient is φ = 42232031226408.

The previous prime is 42232031226401. The next prime is 42232031226493. The reversal of 42232031226409 is 90462213023224.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29968398435600 + 12263632790809 = 5474340^2 + 3501947^2 .

It is a cyclic number.

It is not a de Polignac number, because 42232031226409 - 2³ = 42232031226401 is a prime.

It is not a weakly prime, because it can be changed into another prime (42232031226401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21116015613204 + 21116015613205.

It is an arithmetic number, because the mean of its divisors is an integer number (21116015613205).

Almost surely, 2^{42232031226409} is an apocalyptic number.

It is an amenable number.

42232031226409 is a deficient number, since it is larger than the sum of its proper divisors (1).

42232031226409 is an equidigital number, since it uses as much as digits as its factorization.

42232031226409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 42232031226409 in words is "forty-two trillion, two hundred thirty-two billion, thirty-one million, two hundred twenty-six thousand, four hundred nine".