1669275013 has 32 divisors (see below), whose sum is σ = 1990304000. Its totient is φ = 1399120128.

The previous prime is 1669274989. The next prime is 1669275019. The reversal of 1669275013 is 3105729661.

It is not a de Polignac number, because 1669275013 - 2²⁹ = 1132404101 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1669275019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4081153 + ... + 4081561.

It is an arithmetic number, because the mean of its divisors is an integer number (62197000).

Almost surely, 2^1669275013 is an apocalyptic number.

It is an amenable number.

1669275013 is a deficient number, since it is larger than the sum of its proper divisors (321028987).

1669275013 is an equidigital number, since it uses as much as digits as its factorization.

1669275013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 1669275013 is about 40856.7621453291. The cubic root of 1669275013 is about 1186.2492864279.

The spelling of 1669275013 in words is "one billion, six hundred sixty-nine million, two hundred seventy-five thousand, thirteen".