203454461641 has 8 divisors (see below), whose sum is σ = 204595808384. Its totient is φ = 202315987440.

The previous prime is 203454461591. The next prime is 203454461677. The reversal of 203454461641 is 146164454302.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 203454461641 - 2¹⁹ = 203453937353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203454461594 and 203454461603.

It is not an unprimeable number, because it can be changed into a prime (203454461341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576006 + ... + 859471.

It is an arithmetic number, because the mean of its divisors is an integer number (25574476048).

Almost surely, 2^203454461641 is an apocalyptic number.

It is an amenable number.

203454461641 is a deficient number, since it is larger than the sum of its proper divisors (1141346743).

203454461641 is a wasteful number, since it uses less digits than its factorization.

203454461641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436271.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 203454461641 in words is "two hundred three billion, four hundred fifty-four million, four hundred sixty-one thousand, six hundred forty-one".