29481782990 has 64 divisors (see below), whose sum is σ = 58363918848. Its totient is φ = 10633526400.

The previous prime is 29481782989. The next prime is 29481783007. The reversal of 29481782990 is 9928718492.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7355567 + ... + 7359573.

It is an arithmetic number, because the mean of its divisors is an integer number (911936232).

Almost surely, 2^29481782990 is an apocalyptic number.

29481782990 is a deficient number, since it is larger than the sum of its proper divisors (28882135858).

29481782990 is a wasteful number, since it uses less digits than its factorization.

29481782990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4553.

The product of its (nonzero) digits is 5225472, while the sum is 59.

The spelling of 29481782990 in words is "twenty-nine billion, four hundred eighty-one million, seven hundred eighty-two thousand, nine hundred ninety".