29278250413 has 2 divisors, whose sum is σ = 29278250414. Its totient is φ = 29278250412.

The previous prime is 29278250411. The next prime is 29278250501. The reversal of 29278250413 is 31405287292.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28987786564 + 290463849 = 170258^2 + 17043^2 .

It is a cyclic number.

It is not a de Polignac number, because 29278250413 - 2¹ = 29278250411 is a prime.

Together with 29278250411, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 29278250413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29278250411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14639125206 + 14639125207.

It is an arithmetic number, because the mean of its divisors is an integer number (14639125207).

Almost surely, 2^29278250413 is an apocalyptic number.

It is an amenable number.

29278250413 is a deficient number, since it is larger than the sum of its proper divisors (1).

29278250413 is an equidigital number, since it uses as much as digits as its factorization.

29278250413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 29278250413 in words is "twenty-nine billion, two hundred seventy-eight million, two hundred fifty thousand, four hundred thirteen".