29811431743 has 2 divisors, whose sum is σ = 29811431744. Its totient is φ = 29811431742.

The previous prime is 29811431651. The next prime is 29811431753. The reversal of 29811431743 is 34713411892.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29811431743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29811431743.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29811431753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14905715871 + 14905715872.

It is an arithmetic number, because the mean of its divisors is an integer number (14905715872).

Almost surely, 2^29811431743 is an apocalyptic number.

29811431743 is a deficient number, since it is larger than the sum of its proper divisors (1).

29811431743 is an equidigital number, since it uses as much as digits as its factorization.

29811431743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The spelling of 29811431743 in words is "twenty-nine billion, eight hundred eleven million, four hundred thirty-one thousand, seven hundred forty-three".