402266404453 has 2 divisors, whose sum is σ = 402266404454. Its totient is φ = 402266404452.

The previous prime is 402266404429. The next prime is 402266404469. The reversal of 402266404453 is 354404662204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 399072685284 + 3193719169 = 631722^2 + 56513^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402266404453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402266404493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201133202226 + 201133202227.

It is an arithmetic number, because the mean of its divisors is an integer number (201133202227).

Almost surely, 2^402266404453 is an apocalyptic number.

It is an amenable number.

402266404453 is a deficient number, since it is larger than the sum of its proper divisors (1).

402266404453 is an equidigital number, since it uses as much as digits as its factorization.

402266404453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 40.

The spelling of 402266404453 in words is "four hundred two billion, two hundred sixty-six million, four hundred four thousand, four hundred fifty-three".