28901544454 has 8 divisors (see below), whose sum is σ = 43361627760. Its totient is φ = 14447668536.

The previous prime is 28901544431. The next prime is 28901544481. The reversal of 28901544454 is 45444510982.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1540189 + ... + 1558840.

It is an arithmetic number, because the mean of its divisors is an integer number (5420203470).

Almost surely, 2^28901544454 is an apocalyptic number.

28901544454 is a deficient number, since it is larger than the sum of its proper divisors (14460083306).

28901544454 is a wasteful number, since it uses less digits than its factorization.

28901544454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103694.

The product of its (nonzero) digits is 921600, while the sum is 46.

The spelling of 28901544454 in words is "twenty-eight billion, nine hundred one million, five hundred forty-four thousand, four hundred fifty-four".