420650435053 has 4 divisors (see below), whose sum is σ = 421760331040. Its totient is φ = 419540539068.

The previous prime is 420650434969. The next prime is 420650435113. The reversal of 420650435053 is 350534056024.

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 420650435053 - 2¹⁷ = 420650303981 is a prime.

It is a super-2 number, since 2×420650435053² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420650435753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554947425 + ... + 554948182.

It is an arithmetic number, because the mean of its divisors is an integer number (105440082760).

Almost surely, 2^420650435053 is an apocalyptic number.

It is an amenable number.

420650435053 is a deficient number, since it is larger than the sum of its proper divisors (1109895987).

420650435053 is a wasteful number, since it uses less digits than its factorization.

420650435053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109895986.

The product of its (nonzero) digits is 216000, while the sum is 37.

The spelling of 420650435053 in words is "four hundred twenty billion, six hundred fifty million, four hundred thirty-five thousand, fifty-three".