1387527763273 has 2 divisors, whose sum is σ = 1387527763274. Its totient is φ = 1387527763272.

The previous prime is 1387527763211. The next prime is 1387527763313. The reversal of 1387527763273 is 3723677257831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 800446934329 + 587080828944 = 894677^2 + 766212^2 .

It is a cyclic number.

It is not a de Polignac number, because 1387527763273 - 2¹⁷ = 1387527632201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1387527763373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693763881636 + 693763881637.

It is an arithmetic number, because the mean of its divisors is an integer number (693763881637).

Almost surely, 2^{1387527763273} is an apocalyptic number.

It is an amenable number.

1387527763273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1387527763273 is an equidigital number, since it uses as much as digits as its factorization.

1387527763273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62233920, while the sum is 61.

The spelling of 1387527763273 in words is "one trillion, three hundred eighty-seven billion, five hundred twenty-seven million, seven hundred sixty-three thousand, two hundred seventy-three".