393108409954 has 48 divisors (see below), whose sum is σ = 677565259200. Its totient is φ = 170604527808.

The previous prime is 393108409933. The next prime is 393108409987. The reversal of 393108409954 is 459904801393.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 393108409895 and 393108409904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30132 + ... + 887200.

It is an arithmetic number, because the mean of its divisors is an integer number (14115942900).

Almost surely, 2^393108409954 is an apocalyptic number.

393108409954 is a deficient number, since it is larger than the sum of its proper divisors (284456849246).

393108409954 is a wasteful number, since it uses less digits than its factorization.

393108409954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857179 (or 857166 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 55.

The spelling of 393108409954 in words is "three hundred ninety-three billion, one hundred eight million, four hundred nine thousand, nine hundred fifty-four".