402200988949 has 2 divisors, whose sum is σ = 402200988950. Its totient is φ = 402200988948.

The previous prime is 402200988923. The next prime is 402200988991. The reversal of 402200988949 is 949889002204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294190166449 + 108010822500 = 542393^2 + 328650^2 .

It is a cyclic number.

It is not a de Polignac number, because 402200988949 - 2⁷ = 402200988821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402200988949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402200988649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201100494474 + 201100494475.

It is an arithmetic number, because the mean of its divisors is an integer number (201100494475).

Almost surely, 2^402200988949 is an apocalyptic number.

It is an amenable number.

402200988949 is a deficient number, since it is larger than the sum of its proper divisors (1).

402200988949 is an equidigital number, since it uses as much as digits as its factorization.

402200988949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The spelling of 402200988949 in words is "four hundred two billion, two hundred million, nine hundred eighty-eight thousand, nine hundred forty-nine".