2670629409 has 18 divisors (see below), whose sum is σ = 4487384850. Its totient is φ = 1526073696.

The previous prime is 2670629393. The next prime is 2670629413. The reversal of 2670629409 is 9049260762.

It can be written as a sum of positive squares in only one way, i.e., 2268426384 + 402203025 = 47628^2 + 20055^2 .

It is not a de Polignac number, because 2670629409 - 2⁴ = 2670629393 is a prime.

It is a super-2 number, since 2×2670629409² = 14264522880431378562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2670629449) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3027484 + ... + 3028365.

Almost surely, 2^2670629409 is an apocalyptic number.

It is an amenable number.

2670629409 is a deficient number, since it is larger than the sum of its proper divisors (1816755441).

2670629409 is a wasteful number, since it uses less digits than its factorization.

2670629409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6055869 (or 6055859 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 2670629409 is about 51678.1327932811. The cubic root of 2670629409 is about 1387.4091117480.

The spelling of 2670629409 in words is "two billion, six hundred seventy million, six hundred twenty-nine thousand, four hundred nine".