355418122387 has 2 divisors, whose sum is σ = 355418122388. Its totient is φ = 355418122386.

The previous prime is 355418122349. The next prime is 355418122391. The reversal of 355418122387 is 783221814553.

It is a strong prime.

It is an emirp because it is prime and its reverse (783221814553) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 355418122387 - 2¹⁹ = 355417598099 is a prime.

It is a super-2 number, since 2×355418122387² (a number of 24 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 355418122387.

It is not a weakly prime, because it can be changed into another prime (355418129387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177709061193 + 177709061194.

It is an arithmetic number, because the mean of its divisors is an integer number (177709061194).

Almost surely, 2^355418122387 is an apocalyptic number.

355418122387 is a deficient number, since it is larger than the sum of its proper divisors (1).

355418122387 is an equidigital number, since it uses as much as digits as its factorization.

355418122387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1612800, while the sum is 49.

The spelling of 355418122387 in words is "three hundred fifty-five billion, four hundred eighteen million, one hundred twenty-two thousand, three hundred eighty-seven".