353145533381 has 2 divisors, whose sum is σ = 353145533382. Its totient is φ = 353145533380.

The previous prime is 353145533371. The next prime is 353145533417. The reversal of 353145533381 is 183335541353.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188869337281 + 164276196100 = 434591^2 + 405310^2 .

It is a cyclic number.

It is not a de Polignac number, because 353145533381 - 2²² = 353141339077 is a prime.

It is a super-2 number, since 2×353145533381² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (353145533341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176572766690 + 176572766691.

It is an arithmetic number, because the mean of its divisors is an integer number (176572766691).

Almost surely, 2^353145533381 is an apocalyptic number.

It is an amenable number.

353145533381 is a deficient number, since it is larger than the sum of its proper divisors (1).

353145533381 is an equidigital number, since it uses as much as digits as its factorization.

353145533381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972000, while the sum is 44.

The spelling of 353145533381 in words is "three hundred fifty-three billion, one hundred forty-five million, five hundred thirty-three thousand, three hundred eighty-one".