29349764281 has 2 divisors, whose sum is σ = 29349764282. Its totient is φ = 29349764280.

The previous prime is 29349764267. The next prime is 29349764309. The reversal of 29349764281 is 18246794392.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24099457600 + 5250306681 = 155240^2 + 72459^2 .

It is a cyclic number.

It is not a de Polignac number, because 29349764281 - 2²⁷ = 29215546553 is a prime.

It is a super-2 number, since 2×29349764281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29349764221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14674882140 + 14674882141.

It is an arithmetic number, because the mean of its divisors is an integer number (14674882141).

Almost surely, 2^29349764281 is an apocalyptic number.

It is an amenable number.

29349764281 is a deficient number, since it is larger than the sum of its proper divisors (1).

29349764281 is an equidigital number, since it uses as much as digits as its factorization.

29349764281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 55.

The spelling of 29349764281 in words is "twenty-nine billion, three hundred forty-nine million, seven hundred sixty-four thousand, two hundred eighty-one".