421482714769 has 4 divisors (see below), whose sum is σ = 421495409380. Its totient is φ = 421470020160.

The previous prime is 421482714767. The next prime is 421482714781. The reversal of 421482714769 is 967417284124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13657428225 + 407825286544 = 116865^2 + 638612^2 .

It is a cyclic number.

It is not a de Polignac number, because 421482714769 - 2¹ = 421482714767 is a prime.

It is a super-2 number, since 2×421482714769² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421482714767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6297372 + ... + 6363949.

It is an arithmetic number, because the mean of its divisors is an integer number (105373852345).

Almost surely, 2^421482714769 is an apocalyptic number.

It is an amenable number.

421482714769 is a deficient number, since it is larger than the sum of its proper divisors (12694611).

421482714769 is a wasteful number, since it uses less digits than its factorization.

421482714769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12694610.

The product of its digits is 5419008, while the sum is 55.

The spelling of 421482714769 in words is "four hundred twenty-one billion, four hundred eighty-two million, seven hundred fourteen thousand, seven hundred sixty-nine".