402213230417 has 2 divisors, whose sum is σ = 402213230418. Its totient is φ = 402213230416.

The previous prime is 402213230407. The next prime is 402213230449. The reversal of 402213230417 is 714032312204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 327780295441 + 74432934976 = 572521^2 + 272824^2 .

It is a cyclic number.

It is not a de Polignac number, because 402213230417 - 2⁴ = 402213230401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402213230417.

It is not a weakly prime, because it can be changed into another prime (402213230407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201106615208 + 201106615209.

It is an arithmetic number, because the mean of its divisors is an integer number (201106615209).

Almost surely, 2^402213230417 is an apocalyptic number.

It is an amenable number.

402213230417 is a deficient number, since it is larger than the sum of its proper divisors (1).

402213230417 is an equidigital number, since it uses as much as digits as its factorization.

402213230417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The spelling of 402213230417 in words is "four hundred two billion, two hundred thirteen million, two hundred thirty thousand, four hundred seventeen".