29030402685881 has 2 divisors, whose sum is σ = 29030402685882. Its totient is φ = 29030402685880.

The previous prime is 29030402685847. The next prime is 29030402685913. The reversal of 29030402685881 is 18858620403092.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28855859215225 + 174543470656 = 5371765^2 + 417784^2 .

It is a cyclic number.

It is not a de Polignac number, because 29030402685881 - 2¹⁴ = 29030402669497 is a prime.

It is a super-2 number, since 2×29030402685881² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29030402685481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14515201342940 + 14515201342941.

It is an arithmetic number, because the mean of its divisors is an integer number (14515201342941).

Almost surely, 2^{29030402685881} is an apocalyptic number.

It is an amenable number.

29030402685881 is a deficient number, since it is larger than the sum of its proper divisors (1).

29030402685881 is an equidigital number, since it uses as much as digits as its factorization.

29030402685881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6635520, while the sum is 56.

The spelling of 29030402685881 in words is "twenty-nine trillion, thirty billion, four hundred two million, six hundred eighty-five thousand, eight hundred eighty-one".