2541927545977 has 2 divisors, whose sum is σ = 2541927545978. Its totient is φ = 2541927545976.

The previous prime is 2541927545887. The next prime is 2541927546079. The reversal of 2541927545977 is 7795457291452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1423640330896 + 1118287215081 = 1193164^2 + 1057491^2 .

It is a cyclic number.

It is not a de Polignac number, because 2541927545977 - 2¹¹ = 2541927543929 is a prime.

It is a super-2 number, since 2×2541927545977² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2541927545077) 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, 1270963772988 + 1270963772989.

It is an arithmetic number, because the mean of its divisors is an integer number (1270963772989).

Almost surely, 2^{2541927545977} is an apocalyptic number.

It is an amenable number.

2541927545977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2541927545977 is an equidigital number, since it uses as much as digits as its factorization.

2541927545977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 222264000, while the sum is 67.

The spelling of 2541927545977 in words is "two trillion, five hundred forty-one billion, nine hundred twenty-seven million, five hundred forty-five thousand, nine hundred seventy-seven".