2500481872249 has 2 divisors, whose sum is σ = 2500481872250. Its totient is φ = 2500481872248.

The previous prime is 2500481872247. The next prime is 2500481872279. The reversal of 2500481872249 is 9422781840052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2130140250000 + 370341622249 = 1459500^2 + 608557^2 .

It is a cyclic number.

It is not a de Polignac number, because 2500481872249 - 2¹ = 2500481872247 is a prime.

Together with 2500481872247, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2500481872196 and 2500481872205.

It is not a weakly prime, because it can be changed into another prime (2500481872247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250240936124 + 1250240936125.

It is an arithmetic number, because the mean of its divisors is an integer number (1250240936125).

Almost surely, 2^{2500481872249} is an apocalyptic number.

It is an amenable number.

2500481872249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500481872249 is an equidigital number, since it uses as much as digits as its factorization.

2500481872249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2580480, while the sum is 52.

The spelling of 2500481872249 in words is "two trillion, five hundred billion, four hundred eighty-one million, eight hundred seventy-two thousand, two hundred forty-nine".