420524335235453 has 4 divisors (see below), whose sum is σ = 420525212868960. Its totient is φ = 420523457601948.

The previous prime is 420524335235429. The next prime is 420524335235483. The reversal of 420524335235453 is 354532533425024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420524335235453 - 2⁴⁰ = 419424823607677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420524335235483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438097625 + ... + 439056462.

It is an arithmetic number, because the mean of its divisors is an integer number (105131303217240).

Almost surely, 2^{420524335235453} is an apocalyptic number.

It is an amenable number.

420524335235453 is a deficient number, since it is larger than the sum of its proper divisors (877633507).

420524335235453 is an equidigital number, since it uses as much as digits as its factorization.

420524335235453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877633506.

The product of its (nonzero) digits is 25920000, while the sum is 50.

The spelling of 420524335235453 in words is "four hundred twenty trillion, five hundred twenty-four billion, three hundred thirty-five million, two hundred thirty-five thousand, four hundred fifty-three".