1427751461737 has 2 divisors, whose sum is σ = 1427751461738. Its totient is φ = 1427751461736.

The previous prime is 1427751461701. The next prime is 1427751461761. The reversal of 1427751461737 is 7371641577241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1140700897296 + 287050564441 = 1068036^2 + 535771^2 .

It is an emirp because it is prime and its reverse (7371641577241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1427751461737 is a prime.

It is not a weakly prime, because it can be changed into another prime (1427751461797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713875730868 + 713875730869.

It is an arithmetic number, because the mean of its divisors is an integer number (713875730869).

Almost surely, 2^{1427751461737} is an apocalyptic number.

It is an amenable number.

1427751461737 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427751461737 is an equidigital number, since it uses as much as digits as its factorization.

1427751461737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6914880, while the sum is 55.

The spelling of 1427751461737 in words is "one trillion, four hundred twenty-seven billion, seven hundred fifty-one million, four hundred sixty-one thousand, seven hundred thirty-seven".