29139991416 has 48 divisors (see below), whose sum is σ = 78944097960. Its totient is φ = 9710464320.

The previous prime is 29139991369. The next prime is 29139991423. The reversal of 29139991416 is 61419993192.

It is a happy number.

29139991416 is a `hidden beast` number, since 2 + 9 + 139 + 9 + 91 + 416 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193386 + ... + 309318.

Almost surely, 2^29139991416 is an apocalyptic number.

It is an amenable number.

29139991416 is an abundant number, since it is smaller than the sum of its proper divisors (49804106544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29139991416 is a wasteful number, since it uses less digits than its factorization.

29139991416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119436 (or 119429 counting only the distinct ones).

The product of its digits is 944784, while the sum is 54.

The spelling of 29139991416 in words is "twenty-nine billion, one hundred thirty-nine million, nine hundred ninety-one thousand, four hundred sixteen".