29911905332 has 18 divisors (see below), whose sum is σ = 54088886754. Its totient is φ = 14473500720.

The previous prime is 29911905313. The next prime is 29911905341. The reversal of 29911905332 is 23350911992.

It can be written as a sum of positive squares in only one way, i.e., 27055644196 + 2856261136 = 164486^2 + 53444^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3886883 + ... + 3894570.

It is an arithmetic number, because the mean of its divisors is an integer number (3004938153).

Almost surely, 2^29911905332 is an apocalyptic number.

It is an amenable number.

29911905332 is a deficient number, since it is larger than the sum of its proper divisors (24176981422).

29911905332 is a wasteful number, since it uses less digits than its factorization.

29911905332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7781519 (or 7781486 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 44.

The spelling of 29911905332 in words is "twenty-nine billion, nine hundred eleven million, nine hundred five thousand, three hundred thirty-two".