7404433321387 has 2 divisors, whose sum is σ = 7404433321388. Its totient is φ = 7404433321386.

The previous prime is 7404433321381. The next prime is 7404433321447. The reversal of 7404433321387 is 7831233344047.

7404433321387 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7404433321387 is a prime.

It is a super-2 number, since 2×7404433321387² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7404433321387.

It is not a weakly prime, because it can be changed into another prime (7404433321381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3702216660693 + 3702216660694.

It is an arithmetic number, because the mean of its divisors is an integer number (3702216660694).

Almost surely, 2^{7404433321387} is an apocalyptic number.

7404433321387 is a deficient number, since it is larger than the sum of its proper divisors (1).

7404433321387 is an equidigital number, since it uses as much as digits as its factorization.

7404433321387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 49.

The spelling of 7404433321387 in words is "seven trillion, four hundred four billion, four hundred thirty-three million, three hundred twenty-one thousand, three hundred eighty-seven".