1274144255977 has 2 divisors, whose sum is σ = 1274144255978. Its totient is φ = 1274144255976.

The previous prime is 1274144255957. The next prime is 1274144256013. The reversal of 1274144255977 is 7795524414721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 851515546176 + 422628709801 = 922776^2 + 650099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1274144255977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1274144255957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637072127988 + 637072127989.

It is an arithmetic number, because the mean of its divisors is an integer number (637072127989).

Almost surely, 2^{1274144255977} is an apocalyptic number.

It is an amenable number.

1274144255977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1274144255977 is an equidigital number, since it uses as much as digits as its factorization.

1274144255977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19756800, while the sum is 58.

The spelling of 1274144255977 in words is "one trillion, two hundred seventy-four billion, one hundred forty-four million, two hundred fifty-five thousand, nine hundred seventy-seven".