2670030261 has 48 divisors (see below), whose sum is σ = 4139678400. Its totient is φ = 1655168256.

The previous prime is 2670030257. The next prime is 2670030287. The reversal of 2670030261 is 1620300762.

It is a happy number.

It is not a de Polignac number, because 2670030261 - 2² = 2670030257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2670030211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 817650 + ... + 820908.

It is an arithmetic number, because the mean of its divisors is an integer number (86243300).

Almost surely, 2^2670030261 is an apocalyptic number.

It is an amenable number.

2670030261 is a deficient number, since it is larger than the sum of its proper divisors (1469648139).

2670030261 is a wasteful number, since it uses less digits than its factorization.

2670030261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410 (or 3407 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2670030261 is about 51672.3355481441. The cubic root of 2670030261 is about 1387.3053502448.

The spelling of 2670030261 in words is "two billion, six hundred seventy million, thirty thousand, two hundred sixty-one".