29263103981 has 2 divisors, whose sum is σ = 29263103982. Its totient is φ = 29263103980.

The previous prime is 29263103957. The next prime is 29263104043. The reversal of 29263103981 is 18930136292.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29047748356 + 215355625 = 170434^2 + 14675^2 .

It is a cyclic number.

It is not a de Polignac number, because 29263103981 - 2¹⁴ = 29263087597 is a prime.

It is a super-2 number, since 2×29263103981² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29263106981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14631551990 + 14631551991.

It is an arithmetic number, because the mean of its divisors is an integer number (14631551991).

Almost surely, 2^29263103981 is an apocalyptic number.

It is an amenable number.

29263103981 is a deficient number, since it is larger than the sum of its proper divisors (1).

29263103981 is an equidigital number, since it uses as much as digits as its factorization.

29263103981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 29263103981 in words is "twenty-nine billion, two hundred sixty-three million, one hundred three thousand, nine hundred eighty-one".