1383919909277 has 2 divisors, whose sum is σ = 1383919909278. Its totient is φ = 1383919909276.

The previous prime is 1383919909237. The next prime is 1383919909397. The reversal of 1383919909277 is 7729099193831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1125931087801 + 257988821476 = 1061099^2 + 507926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1383919909277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1383919909217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691959954638 + 691959954639.

It is an arithmetic number, because the mean of its divisors is an integer number (691959954639).

Almost surely, 2^{1383919909277} is an apocalyptic number.

It is an amenable number.

1383919909277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383919909277 is an equidigital number, since it uses as much as digits as its factorization.

1383919909277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46294416, while the sum is 68.

The spelling of 1383919909277 in words is "one trillion, three hundred eighty-three billion, nine hundred nineteen million, nine hundred nine thousand, two hundred seventy-seven".