28959749254 has 16 divisors (see below), whose sum is σ = 46101143088. Its totient is φ = 13596636672.

The previous prime is 28959749243. The next prime is 28959749267. The reversal of 28959749254 is 45294795982.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968832 + ... + 998275.

It is an arithmetic number, because the mean of its divisors is an integer number (2881321443).

Almost surely, 2^28959749254 is an apocalyptic number.

28959749254 is a deficient number, since it is larger than the sum of its proper divisors (17141393834).

28959749254 is a wasteful number, since it uses less digits than its factorization.

28959749254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967559.

The product of its digits is 65318400, while the sum is 64.

The spelling of 28959749254 in words is "twenty-eight billion, nine hundred fifty-nine million, seven hundred forty-nine thousand, two hundred fifty-four".