1383947071079 has 2 divisors, whose sum is σ = 1383947071080. Its totient is φ = 1383947071078.

The previous prime is 1383947071049. The next prime is 1383947071103. The reversal of 1383947071079 is 9701707493831.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1383947071079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1383947071019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691973535539 + 691973535540.

It is an arithmetic number, because the mean of its divisors is an integer number (691973535540).

Almost surely, 2^{1383947071079} is an apocalyptic number.

1383947071079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1383947071079 is an equidigital number, since it uses as much as digits as its factorization.

1383947071079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8001504, while the sum is 59.

The spelling of 1383947071079 in words is "one trillion, three hundred eighty-three billion, nine hundred forty-seven million, seventy-one thousand, seventy-nine".