1485860669 has 4 divisors (see below), whose sum is σ = 1486487100. Its totient is φ = 1485234240.

The previous prime is 1485860633. The next prime is 1485860681. The reversal of 1485860669 is 9660685841.

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 423948100 + 1061912569 = 20590^2 + 32587^2 .

It is a cyclic number.

It is not a de Polignac number, because 1485860669 - 2²⁴ = 1469083453 is a prime.

It is a super-2 number, since 2×1485860669² = 4415563855362255122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1485860669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485860609) 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, 309644 + ... + 314405.

It is an arithmetic number, because the mean of its divisors is an integer number (371621775).

Almost surely, 2^1485860669 is an apocalyptic number.

It is an amenable number.

1485860669 is a deficient number, since it is larger than the sum of its proper divisors (626431).

1485860669 is an equidigital number, since it uses as much as digits as its factorization.

1485860669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626430.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The square root of 1485860669 is about 38546.8632835410. The cubic root of 1485860669 is about 1141.1061053101.

The spelling of 1485860669 in words is "one billion, four hundred eighty-five million, eight hundred sixty thousand, six hundred sixty-nine".