29749494679 has 2 divisors, whose sum is σ = 29749494680. Its totient is φ = 29749494678.

The previous prime is 29749494623. The next prime is 29749494779. The reversal of 29749494679 is 97649494792.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29749494679 - 2¹¹ = 29749492631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29749494779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14874747339 + 14874747340.

It is an arithmetic number, because the mean of its divisors is an integer number (14874747340).

Almost surely, 2^29749494679 is an apocalyptic number.

29749494679 is a deficient number, since it is larger than the sum of its proper divisors (1).

29749494679 is an equidigital number, since it uses as much as digits as its factorization.

29749494679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 246903552, while the sum is 70.

The spelling of 29749494679 in words is "twenty-nine billion, seven hundred forty-nine million, four hundred ninety-four thousand, six hundred seventy-nine".