2103621454 has 8 divisors (see below), whose sum is σ = 3442289688. Its totient is φ = 956191560.

The previous prime is 2103621451. The next prime is 2103621493. The reversal of 2103621454 is 4541263012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103621451) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 47809557 + ... + 47809600.

It is an arithmetic number, because the mean of its divisors is an integer number (430286211).

Almost surely, 2^2103621454 is an apocalyptic number.

2103621454 is a deficient number, since it is larger than the sum of its proper divisors (1338668234).

2103621454 is a wasteful number, since it uses less digits than its factorization.

2103621454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95619170.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2103621454 is about 45865.2532316131. The cubic root of 2103621454 is about 1281.3148626485.

Adding to 2103621454 its reverse (4541263012), we get a palindrome (6644884466).

The spelling of 2103621454 in words is "two billion, one hundred three million, six hundred twenty-one thousand, four hundred fifty-four".