1485051709 has 4 divisors (see below), whose sum is σ = 1485130816. Its totient is φ = 1484972604.

The previous prime is 1485051703. The next prime is 1485051719. The reversal of 1485051709 is 9071505841.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1485051709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485051703) 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, 6412 + ... + 54874.

It is an arithmetic number, because the mean of its divisors is an integer number (371282704).

Almost surely, 2^1485051709 is an apocalyptic number.

It is an amenable number.

1485051709 is a deficient number, since it is larger than the sum of its proper divisors (79107).

1485051709 is an equidigital number, since it uses as much as digits as its factorization.

1485051709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79106.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 1485051709 is about 38536.3686535200. The cubic root of 1485051709 is about 1140.8989802881.

The spelling of 1485051709 in words is "one billion, four hundred eighty-five million, fifty-one thousand, seven hundred nine".