402231551417 has 2 divisors, whose sum is σ = 402231551418. Its totient is φ = 402231551416.

The previous prime is 402231551401. The next prime is 402231551437. The reversal of 402231551417 is 714155132204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 377998713856 + 24232837561 = 614816^2 + 155669^2 .

It is a cyclic number.

It is not a de Polignac number, because 402231551417 - 2⁴ = 402231551401 is a prime.

It is a super-3 number, since 3×402231551417³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (402231551437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201115775708 + 201115775709.

It is an arithmetic number, because the mean of its divisors is an integer number (201115775709).

Almost surely, 2^402231551417 is an apocalyptic number.

It is an amenable number.

402231551417 is a deficient number, since it is larger than the sum of its proper divisors (1).

402231551417 is an equidigital number, since it uses as much as digits as its factorization.

402231551417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 402231551417 in words is "four hundred two billion, two hundred thirty-one million, five hundred fifty-one thousand, four hundred seventeen".