29399339478811 has 2 divisors, whose sum is σ = 29399339478812. Its totient is φ = 29399339478810.

The previous prime is 29399339478793. The next prime is 29399339478851. The reversal of 29399339478811 is 11887493399392.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29399339478811 - 2⁵ = 29399339478779 is a prime.

It is a super-2 number, since 2×29399339478811² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29399339478851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14699669739405 + 14699669739406.

It is an arithmetic number, because the mean of its divisors is an integer number (14699669739406).

Almost surely, 2^{29399339478811} is an apocalyptic number.

29399339478811 is a deficient number, since it is larger than the sum of its proper divisors (1).

29399339478811 is an equidigital number, since it uses as much as digits as its factorization.

29399339478811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 634894848, while the sum is 76.

The spelling of 29399339478811 in words is "twenty-nine trillion, three hundred ninety-nine billion, three hundred thirty-nine million, four hundred seventy-eight thousand, eight hundred eleven".