2600398747 has 2 divisors, whose sum is σ = 2600398748. Its totient is φ = 2600398746.

The previous prime is 2600398673. The next prime is 2600398753. The reversal of 2600398747 is 7478930062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2600398747 - 2¹¹ = 2600396699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2600398697 and 2600398706.

It is not a weakly prime, because it can be changed into another prime (2600398777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300199373 + 1300199374.

It is an arithmetic number, because the mean of its divisors is an integer number (1300199374).

Almost surely, 2^2600398747 is an apocalyptic number.

2600398747 is a deficient number, since it is larger than the sum of its proper divisors (1).

2600398747 is an equidigital number, since it uses as much as digits as its factorization.

2600398747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 2600398747 is about 50994.1050220513. The cubic root of 2600398747 is about 1375.1391589405.

It can be divided in two parts, 26003 and 98747, that added together give a triangular number (124750 = T₄₉₉).

The spelling of 2600398747 in words is "two billion, six hundred million, three hundred ninety-eight thousand, seven hundred forty-seven".