420504351453 has 16 divisors (see below), whose sum is σ = 622985126400. Its totient is φ = 280329161760.

The previous prime is 420504351341. The next prime is 420504351461. The reversal of 420504351453 is 354153405024.

420504351453 is a `hidden beast` number, since 4 + 2 + 0 + 50 + 43 + 514 + 53 = 666.

It is not a de Polignac number, because 420504351453 - 2²² = 420500157149 is a prime.

It is a super-2 number, since 2×420504351453² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420504359453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1033588 + ... + 1381778.

It is an arithmetic number, because the mean of its divisors is an integer number (38936570400).

Almost surely, 2^420504351453 is an apocalyptic number.

It is an amenable number.

420504351453 is a deficient number, since it is larger than the sum of its proper divisors (202480774947).

420504351453 is a wasteful number, since it uses less digits than its factorization.

420504351453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392929 (or 392923 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 420504351453 its reverse (354153405024), we get a palindrome (774657756477).

The spelling of 420504351453 in words is "four hundred twenty billion, five hundred four million, three hundred fifty-one thousand, four hundred fifty-three".