420607007533 has 2 divisors, whose sum is σ = 420607007534. Its totient is φ = 420607007532.

The previous prime is 420607007503. The next prime is 420607007539. The reversal of 420607007533 is 335700706024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 416782574569 + 3824432964 = 645587^2 + 61842^2 .

It is a cyclic number.

It is not a de Polignac number, because 420607007533 - 2⁹ = 420607007021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420607007492 and 420607007501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420607007539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210303503766 + 210303503767.

It is an arithmetic number, because the mean of its divisors is an integer number (210303503767).

Almost surely, 2^420607007533 is an apocalyptic number.

It is an amenable number.

420607007533 is a deficient number, since it is larger than the sum of its proper divisors (1).

420607007533 is an equidigital number, since it uses as much as digits as its factorization.

420607007533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 37.

The spelling of 420607007533 in words is "four hundred twenty billion, six hundred seven million, seven thousand, five hundred thirty-three".