29810954434669 has 2 divisors, whose sum is σ = 29810954434670. Its totient is φ = 29810954434668.

The previous prime is 29810954434621. The next prime is 29810954434693. The reversal of 29810954434669 is 96643445901892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18318074721444 + 11492879713225 = 4279962^2 + 3390115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29810954434669 is a prime.

It is a super-2 number, since 2×29810954434669² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29810954434598 and 29810954434607.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14905477217334 + 14905477217335.

It is an arithmetic number, because the mean of its divisors is an integer number (14905477217335).

Almost surely, 2^{29810954434669} is an apocalyptic number.

It is an amenable number.

29810954434669 is a deficient number, since it is larger than the sum of its proper divisors (1).

29810954434669 is an equidigital number, since it uses as much as digits as its factorization.

29810954434669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403107840, while the sum is 70.

The spelling of 29810954434669 in words is "twenty-nine trillion, eight hundred ten billion, nine hundred fifty-four million, four hundred thirty-four thousand, six hundred sixty-nine".