2605973047 has 4 divisors (see below), whose sum is σ = 2606091840. Its totient is φ = 2605854256.

The previous prime is 2605973039. The next prime is 2605973077. The reversal of 2605973047 is 7403795062.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2605973047 - 2³ = 2605973039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2605972994 and 2605973012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605973077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15847 + ... + 73912.

It is an arithmetic number, because the mean of its divisors is an integer number (651522960).

Almost surely, 2^2605973047 is an apocalyptic number.

2605973047 is a deficient number, since it is larger than the sum of its proper divisors (118793).

2605973047 is an equidigital number, since it uses as much as digits as its factorization.

2605973047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118792.

The product of its (nonzero) digits is 317520, while the sum is 43.

The square root of 2605973047 is about 51048.7320802388. The cubic root of 2605973047 is about 1376.1210554594.

The spelling of 2605973047 in words is "two billion, six hundred five million, nine hundred seventy-three thousand, forty-seven".