8421007469 has 16 divisors (see below), whose sum is σ = 9986549760. Its totient is φ = 6950830320.

The previous prime is 8421007447. The next prime is 8421007487. The reversal of 8421007469 is 9647001248.

It is not a de Polignac number, because 8421007469 - 2¹⁶ = 8420941933 is a prime.

It is a super-2 number, since 2×8421007469² (a number of 21 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 (8421007169) 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, 175649 + ... + 218390.

It is an arithmetic number, because the mean of its divisors is an integer number (624159360).

Almost surely, 2^8421007469 is an apocalyptic number.

It is an amenable number.

8421007469 is a deficient number, since it is larger than the sum of its proper divisors (1565542291).

8421007469 is a wasteful number, since it uses less digits than its factorization.

8421007469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394160.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 8421007469 is about 91766.0474739977. The cubic root of 8421007469 is about 2034.4858993484.

The spelling of 8421007469 in words is "eight billion, four hundred twenty-one million, seven thousand, four hundred sixty-nine".