29381188491472 has 10 divisors (see below), whose sum is σ = 56926052702258. Its totient is φ = 14690594245728.

The previous prime is 29381188491461. The next prime is 29381188491481. The reversal of 29381188491472 is 27419488118392.

It can be written as a sum of positive squares in only one way, i.e., 15629877599296 + 13751310892176 = 3953464^2 + 3708276^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29381188491398 and 29381188491407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 918162140343 + ... + 918162140374.

Almost surely, 2^{29381188491472} is an apocalyptic number.

It is an amenable number.

29381188491472 is a deficient number, since it is larger than the sum of its proper divisors (27544864210786).

29381188491472 is a wasteful number, since it uses less digits than its factorization.

29381188491472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836324280725 (or 1836324280719 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 67.

The spelling of 29381188491472 in words is "twenty-nine trillion, three hundred eighty-one billion, one hundred eighty-eight million, four hundred ninety-one thousand, four hundred seventy-two".