29158512939 has 6 divisors (see below), whose sum is σ = 42117852036. Its totient is φ = 19439008620.

The previous prime is 29158512899. The next prime is 29158512941. The reversal of 29158512939 is 93921585192.

It is a happy number.

29158512939 is a `hidden beast` number, since 2 + 9 + 1 + 585 + 1 + 29 + 39 = 666.

It is not a de Polignac number, because 29158512939 - 2¹² = 29158508843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29158512989) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1619917377 + ... + 1619917394.

It is an arithmetic number, because the mean of its divisors is an integer number (7019642006).

Almost surely, 2^29158512939 is an apocalyptic number.

29158512939 is a deficient number, since it is larger than the sum of its proper divisors (12959339097).

29158512939 is a wasteful number, since it uses less digits than its factorization.

29158512939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239834777 (or 3239834774 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 54.

The spelling of 29158512939 in words is "twenty-nine billion, one hundred fifty-eight million, five hundred twelve thousand, nine hundred thirty-nine".