420352403407 has 2 divisors, whose sum is σ = 420352403408. Its totient is φ = 420352403406.

The previous prime is 420352403381. The next prime is 420352403411. The reversal of 420352403407 is 704304253024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 420352403407 - 2²³ = 420344014799 is a prime.

It is a super-2 number, since 2×420352403407² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420352403437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210176201703 + 210176201704.

It is an arithmetic number, because the mean of its divisors is an integer number (210176201704).

Almost surely, 2^420352403407 is an apocalyptic number.

420352403407 is a deficient number, since it is larger than the sum of its proper divisors (1).

420352403407 is an equidigital number, since it uses as much as digits as its factorization.

420352403407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 34.

It can be divided in two parts, 42035 and 2403407, that added together give a palindrome (2445442).

The spelling of 420352403407 in words is "four hundred twenty billion, three hundred fifty-two million, four hundred three thousand, four hundred seven".