3480646009 has 3 divisors (see below), whose sum is σ = 3480705007. Its totient is φ = 3480587012.

The previous prime is 3480645997. The next prime is 3480646019. The reversal of 3480646009 is 9006460843.

The square root of 3480646009 is 58997.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9006460843 = 163 ⋅55254361.

It can be written as a sum of positive squares in only one way, i.e., 1862354025 + 1618291984 = 43155^2 + 40228^2 .

It is not a de Polignac number, because 3480646009 - 2¹⁷ = 3480514937 is a prime.

It is a super-2 number, since 2×3480646009² = 24229793279935256162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3480646019) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 29499 + ... + 88495.

Almost surely, 2^3480646009 is an apocalyptic number.

3480646009 is the 58997-th square number.

3480646009 is the 29499-th centered octagonal number.

It is an amenable number.

3480646009 is a deficient number, since it is larger than the sum of its proper divisors (58998).

3480646009 is an frugal number, since it uses more digits than its factorization.

3480646009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117994 (or 58997 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The cubic root of 3480646009 is about 1515.4907346560.

The spelling of 3480646009 in words is "three billion, four hundred eighty million, six hundred forty-six thousand, nine".