356745384389 has 2 divisors, whose sum is σ = 356745384390. Its totient is φ = 356745384388.

The previous prime is 356745384383. The next prime is 356745384403. The reversal of 356745384389 is 983483547653.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206524802500 + 150220581889 = 454450^2 + 387583^2 .

It is an emirp because it is prime and its reverse (983483547653) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-356745384389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (356745384383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178372692194 + 178372692195.

It is an arithmetic number, because the mean of its divisors is an integer number (178372692195).

Almost surely, 2^356745384389 is an apocalyptic number.

It is an amenable number.

356745384389 is a deficient number, since it is larger than the sum of its proper divisors (1).

356745384389 is an equidigital number, since it uses as much as digits as its factorization.

356745384389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 261273600, while the sum is 65.

The spelling of 356745384389 in words is "three hundred fifty-six billion, seven hundred forty-five million, three hundred eighty-four thousand, three hundred eighty-nine".