353155644397 has 2 divisors, whose sum is σ = 353155644398. Its totient is φ = 353155644396.

The previous prime is 353155644311. The next prime is 353155644437. The reversal of 353155644397 is 793446551353.

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., 353155644361 + 36 = 594269^2 + 6^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-353155644397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (353155644307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176577822198 + 176577822199.

It is an arithmetic number, because the mean of its divisors is an integer number (176577822199).

Almost surely, 2^353155644397 is an apocalyptic number.

It is an amenable number.

353155644397 is a deficient number, since it is larger than the sum of its proper divisors (1).

353155644397 is an equidigital number, since it uses as much as digits as its factorization.

353155644397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412000, while the sum is 55.

The spelling of 353155644397 in words is "three hundred fifty-three billion, one hundred fifty-five million, six hundred forty-four thousand, three hundred ninety-seven".