2618904671 has 2 divisors, whose sum is σ = 2618904672. Its totient is φ = 2618904670.

The previous prime is 2618904667. The next prime is 2618904679. The reversal of 2618904671 is 1764098162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2618904671 - 2² = 2618904667 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2618904679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1309452335 + 1309452336.

It is an arithmetic number, because the mean of its divisors is an integer number (1309452336).

Almost surely, 2^2618904671 is an apocalyptic number.

2618904671 is a deficient number, since it is larger than the sum of its proper divisors (1).

2618904671 is an equidigital number, since it uses as much as digits as its factorization.

2618904671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 2618904671 is about 51175.2349383957. The cubic root of 2618904671 is about 1378.3935432041.

The spelling of 2618904671 in words is "two billion, six hundred eighteen million, nine hundred four thousand, six hundred seventy-one".