1386973911077 has 2 divisors, whose sum is σ = 1386973911078. Its totient is φ = 1386973911076.

The previous prime is 1386973911053. The next prime is 1386973911131. The reversal of 1386973911077 is 7701193796831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1156498064836 + 230475846241 = 1075406^2 + 480079^2 .

It is a cyclic number.

It is not a de Polignac number, because 1386973911077 - 2¹⁴ = 1386973894693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1386973911377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693486955538 + 693486955539.

It is an arithmetic number, because the mean of its divisors is an integer number (693486955539).

Almost surely, 2^{1386973911077} is an apocalyptic number.

It is an amenable number.

1386973911077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1386973911077 is an equidigital number, since it uses as much as digits as its factorization.

1386973911077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12002256, while the sum is 62.

The spelling of 1386973911077 in words is "one trillion, three hundred eighty-six billion, nine hundred seventy-three million, nine hundred eleven thousand, seventy-seven".