1274474400977 has 2 divisors, whose sum is σ = 1274474400978. Its totient is φ = 1274474400976.

The previous prime is 1274474400959. The next prime is 1274474401001. The reversal of 1274474400977 is 7790044744721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1133850150976 + 140624250001 = 1064824^2 + 374999^2 .

It is a cyclic number.

It is not a de Polignac number, because 1274474400977 - 2¹⁴ = 1274474384593 is a prime.

It is not a weakly prime, because it can be changed into another prime (1274474400937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637237200488 + 637237200489.

It is an arithmetic number, because the mean of its divisors is an integer number (637237200489).

Almost surely, 2^{1274474400977} is an apocalyptic number.

It is an amenable number.

1274474400977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1274474400977 is an equidigital number, since it uses as much as digits as its factorization.

1274474400977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11063808, while the sum is 56.

The spelling of 1274474400977 in words is "one trillion, two hundred seventy-four billion, four hundred seventy-four million, four hundred thousand, nine hundred seventy-seven".