420606461069 has 4 divisors (see below), whose sum is σ = 420635090400. Its totient is φ = 420577831740.

The previous prime is 420606461063. The next prime is 420606461083. The reversal of 420606461069 is 960164606024.

It is a happy number.

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 420606461069 - 2²⁴ = 420589683853 is a prime.

It is a super-2 number, since 2×420606461069² (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 (420606461063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14292617 + ... + 14322014.

It is an arithmetic number, because the mean of its divisors is an integer number (105158772600).

Almost surely, 2^420606461069 is an apocalyptic number.

It is an amenable number.

420606461069 is a deficient number, since it is larger than the sum of its proper divisors (28629331).

420606461069 is a wasteful number, since it uses less digits than its factorization.

420606461069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28629330.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 420606461069 in words is "four hundred twenty billion, six hundred six million, four hundred sixty-one thousand, sixty-nine".