1386206037049 has 2 divisors, whose sum is σ = 1386206037050. Its totient is φ = 1386206037048.

The previous prime is 1386206036993. The next prime is 1386206037067. The reversal of 1386206037049 is 9407306026831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1314324673600 + 71881363449 = 1146440^2 + 268107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1386206037049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1386206036993 and 1386206037011.

It is not a weakly prime, because it can be changed into another prime (1386206007049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693103018524 + 693103018525.

It is an arithmetic number, because the mean of its divisors is an integer number (693103018525).

Almost surely, 2^{1386206037049} is an apocalyptic number.

It is an amenable number.

1386206037049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1386206037049 is an equidigital number, since it uses as much as digits as its factorization.

1386206037049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 1386206037049 in words is "one trillion, three hundred eighty-six billion, two hundred six million, thirty-seven thousand, forty-nine".