29310685090361 has 2 divisors, whose sum is σ = 29310685090362. Its totient is φ = 29310685090360.

The previous prime is 29310685090339. The next prime is 29310685090417. The reversal of 29310685090361 is 16309058601392.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20495367806761 + 8815317283600 = 4527181^2 + 2969060^2 .

It is a cyclic number.

It is not a de Polignac number, because 29310685090361 - 2²⁶ = 29310617981497 is a prime.

It is a super-2 number, since 2×29310685090361² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29310685090961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14655342545180 + 14655342545181.

It is an arithmetic number, because the mean of its divisors is an integer number (14655342545181).

Almost surely, 2^{29310685090361} is an apocalyptic number.

It is an amenable number.

29310685090361 is a deficient number, since it is larger than the sum of its proper divisors (1).

29310685090361 is an equidigital number, since it uses as much as digits as its factorization.

29310685090361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 29310685090361 in words is "twenty-nine trillion, three hundred ten billion, six hundred eighty-five million, ninety thousand, three hundred sixty-one".