612406871469 has 6 divisors (see below), whose sum is σ = 884587703246. Its totient is φ = 408271247640.

The previous prime is 612406871441. The next prime is 612406871551. The reversal of 612406871469 is 964178604216.

612406871469 is a `hidden beast` number, since 6 + 12 + 40 + 68 + 71 + 469 = 666.

612406871469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 605081736900 + 7325134569 = 777870^2 + 85587^2 .

It is not a de Polignac number, because 612406871469 - 2⁵ = 612406871437 is a prime.

It is a super-2 number, since 2×612406871469² (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 (612406871429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34022603962 + ... + 34022603979.

Almost surely, 2^612406871469 is an apocalyptic number.

It is an amenable number.

612406871469 is a deficient number, since it is larger than the sum of its proper divisors (272180831777).

612406871469 is a wasteful number, since it uses less digits than its factorization.

612406871469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68045207947 (or 68045207944 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 612406871469 in words is "six hundred twelve billion, four hundred six million, eight hundred seventy-one thousand, four hundred sixty-nine".