6472942669 has 4 divisors (see below), whose sum is σ = 6505800444. Its totient is φ = 6440084896.

The previous prime is 6472942649. The next prime is 6472942703. The reversal of 6472942669 is 9662492746.

6472942669 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4142467044 + 2330475625 = 64362^2 + 48275^2 .

It is a cyclic number.

It is not a de Polignac number, because 6472942669 - 2¹³ = 6472934477 is a prime.

It is a super-2 number, since 2×6472942669² = 83797973592321687122, which 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 (6472942639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16428592 + ... + 16428985.

It is an arithmetic number, because the mean of its divisors is an integer number (1626450111).

Almost surely, 2^6472942669 is an apocalyptic number.

It is an amenable number.

6472942669 is a deficient number, since it is larger than the sum of its proper divisors (32857775).

6472942669 is a wasteful number, since it uses less digits than its factorization.

6472942669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32857774.

The product of its digits is 7838208, while the sum is 55.

The square root of 6472942669 is about 80454.6000487231. The cubic root of 6472942669 is about 1863.6624438828.

The spelling of 6472942669 in words is "six billion, four hundred seventy-two million, nine hundred forty-two thousand, six hundred sixty-nine".