402104241389 has 2 divisors, whose sum is σ = 402104241390. Its totient is φ = 402104241388.

The previous prime is 402104241379. The next prime is 402104241419. The reversal of 402104241389 is 983142401204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205286017225 + 196818224164 = 453085^2 + 443642^2 .

It is a cyclic number.

It is not a de Polignac number, because 402104241389 - 2²⁴ = 402087464173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402104241379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201052120694 + 201052120695.

It is an arithmetic number, because the mean of its divisors is an integer number (201052120695).

Almost surely, 2^402104241389 is an apocalyptic number.

It is an amenable number.

402104241389 is a deficient number, since it is larger than the sum of its proper divisors (1).

402104241389 is an equidigital number, since it uses as much as digits as its factorization.

402104241389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 402104241389 in words is "four hundred two billion, one hundred four million, two hundred forty-one thousand, three hundred eighty-nine".