29731890934 has 4 divisors (see below), whose sum is σ = 44597836404. Its totient is φ = 14865945466.

The previous prime is 29731890847. The next prime is 29731890949. The reversal of 29731890934 is 43909813792.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×29731890934² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7432972732 + ... + 7432972735.

It is an arithmetic number, because the mean of its divisors is an integer number (11149459101).

Almost surely, 2^29731890934 is an apocalyptic number.

29731890934 is a deficient number, since it is larger than the sum of its proper divisors (14865945470).

29731890934 is a wasteful number, since it uses less digits than its factorization.

29731890934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14865945469.

The product of its (nonzero) digits is 2939328, while the sum is 55.

The spelling of 29731890934 in words is "twenty-nine billion, seven hundred thirty-one million, eight hundred ninety thousand, nine hundred thirty-four".