28435423654 has 16 divisors (see below), whose sum is σ = 46641232656. Its totient is φ = 12894487200.

The previous prime is 28435423633. The next prime is 28435423657. The reversal of 28435423654 is 45632453482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28435423657) by changing a digit.

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, 1525797 + ... + 1544320.

It is an arithmetic number, because the mean of its divisors is an integer number (2915077041).

Almost surely, 2^28435423654 is an apocalyptic number.

28435423654 is a deficient number, since it is larger than the sum of its proper divisors (18205809002).

28435423654 is a wasteful number, since it uses less digits than its factorization.

28435423654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070551.

The product of its digits is 2764800, while the sum is 46.

The spelling of 28435423654 in words is "twenty-eight billion, four hundred thirty-five million, four hundred twenty-three thousand, six hundred fifty-four".