353655435121 has 2 divisors, whose sum is σ = 353655435122. Its totient is φ = 353655435120.

The previous prime is 353655435101. The next prime is 353655435139. The reversal of 353655435121 is 121534556353.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247272480225 + 106382954896 = 497265^2 + 326164^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-353655435121 is a prime.

It is not a weakly prime, because it can be changed into another prime (353655435101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176827717560 + 176827717561.

It is an arithmetic number, because the mean of its divisors is an integer number (176827717561).

Almost surely, 2^353655435121 is an apocalyptic number.

It is an amenable number.

353655435121 is a deficient number, since it is larger than the sum of its proper divisors (1).

353655435121 is an equidigital number, since it uses as much as digits as its factorization.

353655435121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 810000, while the sum is 43.

The spelling of 353655435121 in words is "three hundred fifty-three billion, six hundred fifty-five million, four hundred thirty-five thousand, one hundred twenty-one".