1371577055489 has 2 divisors, whose sum is σ = 1371577055490. Its totient is φ = 1371577055488.

The previous prime is 1371577055479. The next prime is 1371577055549. The reversal of 1371577055489 is 9845507751731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 809474485264 + 562102570225 = 899708^2 + 749735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1371577055489 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1371577055419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685788527744 + 685788527745.

It is an arithmetic number, because the mean of its divisors is an integer number (685788527745).

Almost surely, 2^{1371577055489} is an apocalyptic number.

It is an amenable number.

1371577055489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1371577055489 is an equidigital number, since it uses as much as digits as its factorization.

1371577055489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37044000, while the sum is 62.

The spelling of 1371577055489 in words is "one trillion, three hundred seventy-one billion, five hundred seventy-seven million, fifty-five thousand, four hundred eighty-nine".