29810954434693 has 2 divisors, whose sum is σ = 29810954434694. Its totient is φ = 29810954434692.

The previous prime is 29810954434669. The next prime is 29810954434757. The reversal of 29810954434693 is 39643445901892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25242163608964 + 4568790825729 = 5024158^2 + 2137473^2 .

It is a cyclic number.

It is not a de Polignac number, because 29810954434693 - 2¹³ = 29810954426501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29810954434603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14905477217346 + 14905477217347.

It is an arithmetic number, because the mean of its divisors is an integer number (14905477217347).

Almost surely, 2^{29810954434693} is an apocalyptic number.

It is an amenable number.

29810954434693 is a deficient number, since it is larger than the sum of its proper divisors (1).

29810954434693 is an equidigital number, since it uses as much as digits as its factorization.

29810954434693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201553920, while the sum is 67.

The spelling of 29810954434693 in words is "twenty-nine trillion, eight hundred ten billion, nine hundred fifty-four million, four hundred thirty-four thousand, six hundred ninety-three".