3705485969 has 4 divisors (see below), whose sum is σ = 3784326144. Its totient is φ = 3626645796.

The previous prime is 3705485941. The next prime is 3705485977. The reversal of 3705485969 is 9695845073.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3705485969 - 2²⁴ = 3688708753 is a prime.

It is a super-3 number, since 3×3705485969³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3705485939) 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, 39420017 + ... + 39420110.

It is an arithmetic number, because the mean of its divisors is an integer number (946081536).

Almost surely, 2^3705485969 is an apocalyptic number.

It is an amenable number.

3705485969 is a deficient number, since it is larger than the sum of its proper divisors (78840175).

3705485969 is an equidigital number, since it uses as much as digits as its factorization.

3705485969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78840174.

The product of its (nonzero) digits is 8164800, while the sum is 56.

The square root of 3705485969 is about 60872.7029874639. The cubic root of 3705485969 is about 1547.4444143541. Note that the first 4 decimals are identical.

The spelling of 3705485969 in words is "three billion, seven hundred five million, four hundred eighty-five thousand, nine hundred sixty-nine".