402432140413 has 2 divisors, whose sum is σ = 402432140414. Its totient is φ = 402432140412.

The previous prime is 402432140381. The next prime is 402432140447. The reversal of 402432140413 is 314041234204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 402396116409 + 36024004 = 634347^2 + 6002^2 .

It is a cyclic number.

It is not a de Polignac number, because 402432140413 - 2⁵ = 402432140381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402432140713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201216070206 + 201216070207.

It is an arithmetic number, because the mean of its divisors is an integer number (201216070207).

Almost surely, 2^402432140413 is an apocalyptic number.

It is an amenable number.

402432140413 is a deficient number, since it is larger than the sum of its proper divisors (1).

402432140413 is an equidigital number, since it uses as much as digits as its factorization.

402432140413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 402432140413 its reverse (314041234204), we get a palindrome (716473374617).

The spelling of 402432140413 in words is "four hundred two billion, four hundred thirty-two million, one hundred forty thousand, four hundred thirteen".