2500252766849 has 2 divisors, whose sum is σ = 2500252766850. Its totient is φ = 2500252766848.

The previous prime is 2500252766833. The next prime is 2500252766857. The reversal of 2500252766849 is 9486672520052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2086248028225 + 414004738624 = 1444385^2 + 643432^2 .

It is a cyclic number.

It is not a de Polignac number, because 2500252766849 - 2⁴ = 2500252766833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2500252766794 and 2500252766803.

It is not a weakly prime, because it can be changed into another prime (2500252766899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250126383424 + 1250126383425.

It is an arithmetic number, because the mean of its divisors is an integer number (1250126383425).

Almost surely, 2^{2500252766849} is an apocalyptic number.

It is an amenable number.

2500252766849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500252766849 is an equidigital number, since it uses as much as digits as its factorization.

2500252766849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14515200, while the sum is 56.

The spelling of 2500252766849 in words is "two trillion, five hundred billion, two hundred fifty-two million, seven hundred sixty-six thousand, eight hundred forty-nine".