29394661790 has 24 divisors (see below), whose sum is σ = 57293503848. Its totient is φ = 10853412960.

The previous prime is 29394661789. The next prime is 29394661799. The reversal of 29394661790 is 9716649392.

It is a super-2 number, since 2×29394661790² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29394661799) 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 11 ways as a sum of consecutive naturals, for example, 8694956 + ... + 8698335.

It is an arithmetic number, because the mean of its divisors is an integer number (2387229327).

Almost surely, 2^29394661790 is an apocalyptic number.

29394661790 is a deficient number, since it is larger than the sum of its proper divisors (27898842058).

29394661790 is a wasteful number, since it uses less digits than its factorization.

29394661790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17393324 (or 17393311 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 56.

The spelling of 29394661790 in words is "twenty-nine billion, three hundred ninety-four million, six hundred sixty-one thousand, seven hundred ninety".