420352350554053 has 2 divisors, whose sum is σ = 420352350554054. Its totient is φ = 420352350554052.

The previous prime is 420352350554039. The next prime is 420352350554089. The reversal of 420352350554053 is 350455053253024.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 419165922025764 + 1186428528289 = 20473542^2 + 1089233^2 .

It is a cyclic number.

It is not a de Polignac number, because 420352350554053 - 2²⁹ = 420351813683141 is a prime.

It is a super-2 number, since 2×420352350554053² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420352350553994 and 420352350554012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420352350554453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210176175277026 + 210176175277027.

It is an arithmetic number, because the mean of its divisors is an integer number (210176175277027).

Almost surely, 2^{420352350554053} is an apocalyptic number.

It is an amenable number.

420352350554053 is a deficient number, since it is larger than the sum of its proper divisors (1).

420352350554053 is an equidigital number, since it uses as much as digits as its factorization.

420352350554053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400000, while the sum is 46.

The spelling of 420352350554053 in words is "four hundred twenty trillion, three hundred fifty-two billion, three hundred fifty million, five hundred fifty-four thousand, fifty-three".