29308909064 has 8 divisors (see below), whose sum is σ = 54954204510. Its totient is φ = 14654454528.

The previous prime is 29308909033. The next prime is 29308909093. The reversal of 29308909064 is 46090980392.

It can be written as a sum of positive squares in only one way, i.e., 22099200964 + 7209708100 = 148658^2 + 84910^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1831806809 + ... + 1831806824.

Almost surely, 2^29308909064 is an apocalyptic number.

It is an amenable number.

29308909064 is a deficient number, since it is larger than the sum of its proper divisors (25645295446).

29308909064 is a wasteful number, since it uses less digits than its factorization.

29308909064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3663613639 (or 3663613635 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 29308909064 in words is "twenty-nine billion, three hundred eight million, nine hundred nine thousand, sixty-four".