29170143982 has 16 divisors (see below), whose sum is σ = 50069520000. Its totient is φ = 12485600568.

The previous prime is 29170143931. The next prime is 29170144021. The reversal of 29170143982 is 28934107192.

It is a happy number.

It is a super-2 number, since 2×29170143982² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1312732 + ... + 1334767.

It is an arithmetic number, because the mean of its divisors is an integer number (3129345000).

Almost surely, 2^29170143982 is an apocalyptic number.

29170143982 is a deficient number, since it is larger than the sum of its proper divisors (20899376018).

29170143982 is a wasteful number, since it uses less digits than its factorization.

29170143982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648295.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 29170143982 in words is "twenty-nine billion, one hundred seventy million, one hundred forty-three thousand, nine hundred eighty-two".