29994398195378 has 16 divisors (see below), whose sum is σ = 47688149469240. Its totient is φ = 14100199766016.

The previous prime is 29994398195369. The next prime is 29994398195393. The reversal of 29994398195378 is 87359189349992.

It can be written as a sum of positive squares in 4 ways, for example, as 25397134756249 + 4597263439129 = 5039557^2 + 2144123^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 29994398195378.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462815543 + ... + 462880346.

Almost surely, 2^{29994398195378} is an apocalyptic number.

29994398195378 is a deficient number, since it is larger than the sum of its proper divisors (17693751273862).

29994398195378 is a wasteful number, since it uses less digits than its factorization.

29994398195378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925696861.

The product of its digits is 9523422720, while the sum is 86.

The spelling of 29994398195378 in words is "twenty-nine trillion, nine hundred ninety-four billion, three hundred ninety-eight million, one hundred ninety-five thousand, three hundred seventy-eight".