29945668141 has 8 divisors (see below), whose sum is σ = 30703508000. Its totient is φ = 29190620592.

The previous prime is 29945668139. The next prime is 29945668153. The reversal of 29945668141 is 14186654992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29945668141 - 2¹ = 29945668139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29945660141) by changing a digit.

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, 676350 + ... + 719263.

It is an arithmetic number, because the mean of its divisors is an integer number (3837938500).

Almost surely, 2^29945668141 is an apocalyptic number.

It is an amenable number.

29945668141 is a deficient number, since it is larger than the sum of its proper divisors (757839859).

29945668141 is a wasteful number, since it uses less digits than its factorization.

29945668141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396155.

The product of its digits is 3732480, while the sum is 55.

The spelling of 29945668141 in words is "twenty-nine billion, nine hundred forty-five million, six hundred sixty-eight thousand, one hundred forty-one".