485123669 has 4 divisors (see below), whose sum is σ = 486176460. Its totient is φ = 484070880.

The previous prime is 485123663. The next prime is 485123671. The reversal of 485123669 is 966321584.

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 220671025 + 264452644 = 14855^2 + 16262^2 .

It is a cyclic number.

It is not a de Polignac number, because 485123669 - 2⁸ = 485123413 is a prime.

It is a super-2 number, since 2×485123669² = 470689948448043122, 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 (485123663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525704 + ... + 526625.

It is an arithmetic number, because the mean of its divisors is an integer number (121544115).

Almost surely, 2^485123669 is an apocalyptic number.

It is an amenable number.

485123669 is a deficient number, since it is larger than the sum of its proper divisors (1052791).

485123669 is a wasteful number, since it uses less digits than its factorization.

485123669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052790.

The product of its digits is 311040, while the sum is 44.

The square root of 485123669 is about 22025.5231265911. The cubic root of 485123669 is about 785.7495749077.

The spelling of 485123669 in words is "four hundred eighty-five million, one hundred twenty-three thousand, six hundred sixty-nine".