667473460269 has 48 divisors (see below), whose sum is σ = 1139066119296. Its totient is φ = 340197137280.

The previous prime is 667473460231. The next prime is 667473460279. The reversal of 667473460269 is 962064374766.

It is a happy number.

It is not a de Polignac number, because 667473460269 - 2¹³ = 667473452077 is a prime.

It is a super-2 number, since 2×667473460269² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667473460279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2343454 + ... + 2612799.

It is an arithmetic number, because the mean of its divisors is an integer number (23730544152).

Almost surely, 2^667473460269 is an apocalyptic number.

It is an amenable number.

667473460269 is a deficient number, since it is larger than the sum of its proper divisors (471592659027).

667473460269 is a wasteful number, since it uses less digits than its factorization.

667473460269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4956338 (or 4956327 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 60.

The spelling of 667473460269 in words is "six hundred sixty-seven billion, four hundred seventy-three million, four hundred sixty thousand, two hundred sixty-nine".