420500314477 has 2 divisors, whose sum is σ = 420500314478. Its totient is φ = 420500314476.

The previous prime is 420500314439. The next prime is 420500314589. The reversal of 420500314477 is 774413005024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 396923940361 + 23576374116 = 630019^2 + 153546^2 .

It is a cyclic number.

It is not a de Polignac number, because 420500314477 - 2²³ = 420491925869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420500318477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210250157238 + 210250157239.

It is an arithmetic number, because the mean of its divisors is an integer number (210250157239).

Almost surely, 2^420500314477 is an apocalyptic number.

It is an amenable number.

420500314477 is a deficient number, since it is larger than the sum of its proper divisors (1).

420500314477 is an equidigital number, since it uses as much as digits as its factorization.

420500314477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 37.

The spelling of 420500314477 in words is "four hundred twenty billion, five hundred million, three hundred fourteen thousand, four hundred seventy-seven".