420814233901213 has 2 divisors, whose sum is σ = 420814233901214. Its totient is φ = 420814233901212.

The previous prime is 420814233901151. The next prime is 420814233901261. The reversal of 420814233901213 is 312109332418024.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 288199616932249 + 132614616968964 = 16976443^2 + 11515842^2 .

It is a cyclic number.

It is not a de Polignac number, because 420814233901213 - 2²⁹ = 420813697030301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 420814233901213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420814233907213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210407116950606 + 210407116950607.

It is an arithmetic number, because the mean of its divisors is an integer number (210407116950607).

Almost surely, 2^{420814233901213} is an apocalyptic number.

It is an amenable number.

420814233901213 is a deficient number, since it is larger than the sum of its proper divisors (1).

420814233901213 is an equidigital number, since it uses as much as digits as its factorization.

420814233901213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 420814233901213 in words is "four hundred twenty trillion, eight hundred fourteen billion, two hundred thirty-three million, nine hundred one thousand, two hundred thirteen".