420333133349 has 2 divisors, whose sum is σ = 420333133350. Its totient is φ = 420333133348.

The previous prime is 420333133309. The next prime is 420333133397. The reversal of 420333133349 is 943331333024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 293988430849 + 126344702500 = 542207^2 + 355450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420333133349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420333133309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210166566674 + 210166566675.

It is an arithmetic number, because the mean of its divisors is an integer number (210166566675).

Almost surely, 2^420333133349 is an apocalyptic number.

It is an amenable number.

420333133349 is a deficient number, since it is larger than the sum of its proper divisors (1).

420333133349 is an equidigital number, since it uses as much as digits as its factorization.

420333133349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 38.

The spelling of 420333133349 in words is "four hundred twenty billion, three hundred thirty-three million, one hundred thirty-three thousand, three hundred forty-nine".