29479954117 has 2 divisors, whose sum is σ = 29479954118. Its totient is φ = 29479954116.

The previous prime is 29479954087. The next prime is 29479954123. The reversal of 29479954117 is 71145997492.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29391330721 + 88623396 = 171439^2 + 9414^2 .

It is a cyclic number.

It is not a de Polignac number, because 29479954117 - 2¹¹ = 29479952069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29479954177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14739977058 + 14739977059.

It is an arithmetic number, because the mean of its divisors is an integer number (14739977059).

Almost surely, 2^29479954117 is an apocalyptic number.

It is an amenable number.

29479954117 is a deficient number, since it is larger than the sum of its proper divisors (1).

29479954117 is an equidigital number, since it uses as much as digits as its factorization.

29479954117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5715360, while the sum is 58.

The spelling of 29479954117 in words is "twenty-nine billion, four hundred seventy-nine million, nine hundred fifty-four thousand, one hundred seventeen".