29997928349379 has 12 divisors (see below), whose sum is σ = 43332053330800. Its totient is φ = 19997828569584.

The previous prime is 29997928349329. The next prime is 29997928349381. The reversal of 29997928349379 is 97394382979992.

29997928349379 is a `hidden beast` number, since 2 + 9 + 9 + 97 + 9 + 28 + 3 + 493 + 7 + 9 = 666.

It is not a de Polignac number, because 29997928349379 - 2⁷ = 29997928349251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29997928349329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65620399 + ... + 66075960.

Almost surely, 2^{29997928349379} is an apocalyptic number.

29997928349379 is a deficient number, since it is larger than the sum of its proper divisors (13334124981421).

29997928349379 is a wasteful number, since it uses less digits than its factorization.

29997928349379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131721674 (or 131721671 counting only the distinct ones).

The product of its digits is 29998781568, while the sum is 90.

The spelling of 29997928349379 in words is "twenty-nine trillion, nine hundred ninety-seven billion, nine hundred twenty-eight million, three hundred forty-nine thousand, three hundred seventy-nine".