2630838261 has 8 divisors (see below), whose sum is σ = 3567238560. Its totient is φ = 1724165072.

The previous prime is 2630838241. The next prime is 2630838277. The reversal of 2630838261 is 1628380362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2630838261 - 2⁹ = 2630837749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2630838241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7431570 + ... + 7431923.

It is an arithmetic number, because the mean of its divisors is an integer number (445904820).

Almost surely, 2^2630838261 is an apocalyptic number.

It is an amenable number.

2630838261 is a deficient number, since it is larger than the sum of its proper divisors (936400299).

2630838261 is a wasteful number, since it uses less digits than its factorization.

2630838261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14863555.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 2630838261 is about 51291.6977784904. The cubic root of 2630838261 is about 1380.4840178875.

The spelling of 2630838261 in words is "two billion, six hundred thirty million, eight hundred thirty-eight thousand, two hundred sixty-one".