29718254932 has 6 divisors (see below), whose sum is σ = 52006946138. Its totient is φ = 14859127464.

The previous prime is 29718254887. The next prime is 29718254933. The reversal of 29718254932 is 23945281792.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17175150916 + 12543104016 = 131054^2 + 111996^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 29718254932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29718254933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3714781863 + ... + 3714781870.

Almost surely, 2^29718254932 is an apocalyptic number.

It is an amenable number.

29718254932 is a deficient number, since it is larger than the sum of its proper divisors (22288691206).

29718254932 is a wasteful number, since it uses less digits than its factorization.

29718254932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7429563737 (or 7429563735 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The spelling of 29718254932 in words is "twenty-nine billion, seven hundred eighteen million, two hundred fifty-four thousand, nine hundred thirty-two".