2249984997977 has 2 divisors, whose sum is σ = 2249984997978. Its totient is φ = 2249984997976.

The previous prime is 2249984997937. The next prime is 2249984998003. The reversal of 2249984997977 is 7797994899422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2228619036736 + 21365961241 = 1492856^2 + 146171^2 .

It is a cyclic number.

It is not a de Polignac number, because 2249984997977 - 2²⁸ = 2249716562521 is a prime.

It is a super-2 number, since 2×2249984997977² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2249984997937) 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, 1124992498988 + 1124992498989.

It is an arithmetic number, because the mean of its divisors is an integer number (1124992498989).

Almost surely, 2^{2249984997977} is an apocalyptic number.

It is an amenable number.

2249984997977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2249984997977 is an equidigital number, since it uses as much as digits as its factorization.

2249984997977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10369949184, while the sum is 86.

The spelling of 2249984997977 in words is "two trillion, two hundred forty-nine billion, nine hundred eighty-four million, nine hundred ninety-seven thousand, nine hundred seventy-seven".