29438868546387 has 16 divisors (see below), whose sum is σ = 43946063314560. Its totient is φ = 19476096237000.

The previous prime is 29438868546371. The next prime is 29438868546391. The reversal of 29438868546387 is 78364586883492.

29438868546387 is a `hidden beast` number, since 2 + 9 + 4 + 3 + 8 + 8 + 68 + 546 + 3 + 8 + 7 = 666.

It is not a de Polignac number, because 29438868546387 - 2⁴ = 29438868546371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29438868546187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4161555489 + ... + 4161562562.

It is an arithmetic number, because the mean of its divisors is an integer number (2746628957160).

Almost surely, 2^{29438868546387} is an apocalyptic number.

29438868546387 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

29438868546387 is a deficient number, since it is larger than the sum of its proper divisors (14507194768173).

29438868546387 is a wasteful number, since it uses less digits than its factorization.

29438868546387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8323118191 (or 8323118185 counting only the distinct ones).

The product of its digits is 13377208320, while the sum is 81.

The spelling of 29438868546387 in words is "twenty-nine trillion, four hundred thirty-eight billion, eight hundred sixty-eight million, five hundred forty-six thousand, three hundred eighty-seven".