420355553027 has 2 divisors, whose sum is σ = 420355553028. Its totient is φ = 420355553026.

The previous prime is 420355553021. The next prime is 420355553083. The reversal of 420355553027 is 720355553024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420355553027 - 2¹⁶ = 420355487491 is a prime.

It is not a weakly prime, because it can be changed into another prime (420355553021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210177776513 + 210177776514.

It is an arithmetic number, because the mean of its divisors is an integer number (210177776514).

Almost surely, 2^420355553027 is an apocalyptic number.

420355553027 is a deficient number, since it is larger than the sum of its proper divisors (1).

420355553027 is an equidigital number, since it uses as much as digits as its factorization.

420355553027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630000, while the sum is 41.

The spelling of 420355553027 in words is "four hundred twenty billion, three hundred fifty-five million, five hundred fifty-three thousand, twenty-seven".