2601947113 has 2 divisors, whose sum is σ = 2601947114. Its totient is φ = 2601947112.

The previous prime is 2601947111. The next prime is 2601947143. The reversal of 2601947113 is 3117491062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2196609424 + 405337689 = 46868^2 + 20133^2 .

It is a cyclic number.

It is not a de Polignac number, because 2601947113 - 2¹ = 2601947111 is a prime.

Together with 2601947111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2601947111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300973556 + 1300973557.

It is an arithmetic number, because the mean of its divisors is an integer number (1300973557).

Almost surely, 2^2601947113 is an apocalyptic number.

It is an amenable number.

2601947113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2601947113 is an equidigital number, since it uses as much as digits as its factorization.

2601947113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 2601947113 is about 51009.2845764377. The cubic root of 2601947113 is about 1375.4120396873.

The spelling of 2601947113 in words is "two billion, six hundred one million, nine hundred forty-seven thousand, one hundred thirteen".