29399339478793 has 2 divisors, whose sum is σ = 29399339478794. Its totient is φ = 29399339478792.

The previous prime is 29399339478787. The next prime is 29399339478811. The reversal of 29399339478793 is 39787493399392.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18727801518969 + 10671537959824 = 4327563^2 + 3266732^2 .

It is a cyclic number.

It is not a de Polignac number, because 29399339478793 - 2¹³ = 29399339470601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29399339478793.

It is not a weakly prime, because it can be changed into another prime (29399339578793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14699669739396 + 14699669739397.

It is an arithmetic number, because the mean of its divisors is an integer number (14699669739397).

Almost surely, 2^{29399339478793} is an apocalyptic number.

It is an amenable number.

29399339478793 is a deficient number, since it is larger than the sum of its proper divisors (1).

29399339478793 is an equidigital number, since it uses as much as digits as its factorization.

29399339478793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14999390784, while the sum is 85.

The spelling of 29399339478793 in words is "twenty-nine trillion, three hundred ninety-nine billion, three hundred thirty-nine million, four hundred seventy-eight thousand, seven hundred ninety-three".