29491979707 has 2 divisors, whose sum is σ = 29491979708. Its totient is φ = 29491979706.

The previous prime is 29491979669. The next prime is 29491979767. The reversal of 29491979707 is 70797919492.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29491979707 - 2⁷ = 29491979579 is a prime.

It is not a weakly prime, because it can be changed into another prime (29491979767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14745989853 + 14745989854.

It is an arithmetic number, because the mean of its divisors is an integer number (14745989854).

Almost surely, 2^29491979707 is an apocalyptic number.

29491979707 is a deficient number, since it is larger than the sum of its proper divisors (1).

29491979707 is an equidigital number, since it uses as much as digits as its factorization.

29491979707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18003384, while the sum is 64.

The spelling of 29491979707 in words is "twenty-nine billion, four hundred ninety-one million, nine hundred seventy-nine thousand, seven hundred seven".