1393168214077 has 2 divisors, whose sum is σ = 1393168214078. Its totient is φ = 1393168214076.

The previous prime is 1393168214051. The next prime is 1393168214083. The reversal of 1393168214077 is 7704128613931.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1391052766041 + 2115448036 = 1179429^2 + 45994^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1393168214077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1393168214027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696584107038 + 696584107039.

It is an arithmetic number, because the mean of its divisors is an integer number (696584107039).

Almost surely, 2^{1393168214077} is an apocalyptic number.

It is an amenable number.

1393168214077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1393168214077 is an equidigital number, since it uses as much as digits as its factorization.

1393168214077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 1393168214077 in words is "one trillion, three hundred ninety-three billion, one hundred sixty-eight million, two hundred fourteen thousand, seventy-seven".