29100425449 has 2 divisors, whose sum is σ = 29100425450. Its totient is φ = 29100425448.

The previous prime is 29100425413. The next prime is 29100425467. The reversal of 29100425449 is 94452400192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23519289600 + 5581135849 = 153360^2 + 74707^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29100425449 is a prime.

It is a super-2 number, since 2×29100425449² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29100425749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14550212724 + 14550212725.

It is an arithmetic number, because the mean of its divisors is an integer number (14550212725).

Almost surely, 2^29100425449 is an apocalyptic number.

It is an amenable number.

29100425449 is a deficient number, since it is larger than the sum of its proper divisors (1).

29100425449 is an equidigital number, since it uses as much as digits as its factorization.

29100425449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 29100425449 in words is "twenty-nine billion, one hundred million, four hundred twenty-five thousand, four hundred forty-nine".