401402212417 has 2 divisors, whose sum is σ = 401402212418. Its totient is φ = 401402212416.

The previous prime is 401402212363. The next prime is 401402212423. The reversal of 401402212417 is 714212204104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 400871324736 + 530887681 = 633144^2 + 23041^2 .

It is a cyclic number.

It is not a de Polignac number, because 401402212417 - 2³⁵ = 367042474049 is a prime.

It is a super-2 number, since 2×401402212417² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401402212457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200701106208 + 200701106209.

It is an arithmetic number, because the mean of its divisors is an integer number (200701106209).

Almost surely, 2^401402212417 is an apocalyptic number.

It is an amenable number.

401402212417 is a deficient number, since it is larger than the sum of its proper divisors (1).

401402212417 is an equidigital number, since it uses as much as digits as its factorization.

401402212417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 28.

The spelling of 401402212417 in words is "four hundred one billion, four hundred two million, two hundred twelve thousand, four hundred seventeen".