7388433671057 has 2 divisors, whose sum is σ = 7388433671058. Its totient is φ = 7388433671056.

The previous prime is 7388433671009. The next prime is 7388433671063. The reversal of 7388433671057 is 7501763348837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6583078194001 + 805355477056 = 2565751^2 + 897416^2 .

It is an emirp because it is prime and its reverse (7501763348837) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7388433671057 is a prime.

It is a super-2 number, since 2×7388433671057² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7388433671077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3694216835528 + 3694216835529.

It is an arithmetic number, because the mean of its divisors is an integer number (3694216835529).

Almost surely, 2^{7388433671057} is an apocalyptic number.

It is an amenable number.

7388433671057 is a deficient number, since it is larger than the sum of its proper divisors (1).

7388433671057 is an equidigital number, since it uses as much as digits as its factorization.

7388433671057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71124480, while the sum is 62.

The spelling of 7388433671057 in words is "seven trillion, three hundred eighty-eight billion, four hundred thirty-three million, six hundred seventy-one thousand, fifty-seven".