493984109154 has 32 divisors (see below), whose sum is σ = 1002295457856. Its totient is φ = 162287585280.

The previous prime is 493984109147. The next prime is 493984109207. The reversal of 493984109154 is 451901489394.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 493984109094 and 493984109103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1620672 + ... + 1901195.

It is an arithmetic number, because the mean of its divisors is an integer number (31321733058).

Almost surely, 2^493984109154 is an apocalyptic number.

493984109154 is an abundant number, since it is smaller than the sum of its proper divisors (508311348702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

493984109154 is a wasteful number, since it uses less digits than its factorization.

493984109154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522210.

The product of its (nonzero) digits is 5598720, while the sum is 57.

The spelling of 493984109154 in words is "four hundred ninety-three billion, nine hundred eighty-four million, one hundred nine thousand, one hundred fifty-four".