1387773737341 has 2 divisors, whose sum is σ = 1387773737342. Its totient is φ = 1387773737340.

The previous prime is 1387773737327. The next prime is 1387773737381. The reversal of 1387773737341 is 1437373777831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1124967816025 + 262805921316 = 1060645^2 + 512646^2 .

It is a cyclic number.

It is not a de Polignac number, because 1387773737341 - 2¹³ = 1387773729149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1387773737341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1387773737321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693886868670 + 693886868671.

It is an arithmetic number, because the mean of its divisors is an integer number (693886868671).

Almost surely, 2^{1387773737341} is an apocalyptic number.

It is an amenable number.

1387773737341 is a deficient number, since it is larger than the sum of its proper divisors (1).

1387773737341 is an equidigital number, since it uses as much as digits as its factorization.

1387773737341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43563744, while the sum is 61.

The spelling of 1387773737341 in words is "one trillion, three hundred eighty-seven billion, seven hundred seventy-three million, seven hundred thirty-seven thousand, three hundred forty-one".