232251040042409 has 2 divisors, whose sum is σ = 232251040042410. Its totient is φ = 232251040042408.

The previous prime is 232251040042369. The next prime is 232251040042507. The reversal of 232251040042409 is 904240040152232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225831166182400 + 6419873860009 = 15027680^2 + 2533747^2 .

It is a cyclic number.

It is not a de Polignac number, because 232251040042409 - 2²⁰ = 232251038993833 is a prime.

It is not a weakly prime, because it can be changed into another prime (232251040002409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116125520021204 + 116125520021205.

It is an arithmetic number, because the mean of its divisors is an integer number (116125520021205).

Almost surely, 2^{232251040042409} is an apocalyptic number.

It is an amenable number.

232251040042409 is a deficient number, since it is larger than the sum of its proper divisors (1).

232251040042409 is an equidigital number, since it uses as much as digits as its factorization.

232251040042409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 232251040042409 in words is "two hundred thirty-two trillion, two hundred fifty-one billion, forty million, forty-two thousand, four hundred nine".