29979453194 has 8 divisors (see below), whose sum is σ = 45115660128. Its totient is φ = 14940899820.

The previous prime is 29979453191. The next prime is 29979453197. The reversal of 29979453194 is 49135497992.

It is an interprime number because it is at equal distance from previous prime (29979453191) and next prime (29979453197).

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

It is a super-2 number, since 2×29979453194² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29979453191) 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 3 ways as a sum of consecutive naturals, for example, 24412622 + ... + 24413849.

It is an arithmetic number, because the mean of its divisors is an integer number (5639457516).

Almost surely, 2^29979453194 is an apocalyptic number.

29979453194 is a deficient number, since it is larger than the sum of its proper divisors (15136206934).

29979453194 is a wasteful number, since it uses less digits than its factorization.

29979453194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48826780.

The product of its digits is 22044960, while the sum is 62.

The spelling of 29979453194 in words is "twenty-nine billion, nine hundred seventy-nine million, four hundred fifty-three thousand, one hundred ninety-four".