28994582949 has 8 divisors (see below), whose sum is σ = 39704293920. Its totient is φ = 18807296976.

The previous prime is 28994582927. The next prime is 28994582957. The reversal of 28994582949 is 94928549982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28994582949 - 2⁸ = 28994582693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28994583949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130606119 + ... + 130606340.

It is an arithmetic number, because the mean of its divisors is an integer number (4963036740).

Almost surely, 2^28994582949 is an apocalyptic number.

It is an amenable number.

28994582949 is a deficient number, since it is larger than the sum of its proper divisors (10709710971).

28994582949 is a wasteful number, since it uses less digits than its factorization.

28994582949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261212499.

The product of its digits is 134369280, while the sum is 69.

The spelling of 28994582949 in words is "twenty-eight billion, nine hundred ninety-four million, five hundred eighty-two thousand, nine hundred forty-nine".