454554121403 has 4 divisors (see below), whose sum is σ = 454867392408. Its totient is φ = 454240850400.

The previous prime is 454554121369. The next prime is 454554121409. The reversal of 454554121403 is 304121455454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304121455454 = 2 ⋅152060727727.

It is a cyclic number.

It is not a de Polignac number, because 454554121403 - 2¹⁰ = 454554120379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454554121409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156633326 + ... + 156636227.

It is an arithmetic number, because the mean of its divisors is an integer number (113716848102).

Almost surely, 2^454554121403 is an apocalyptic number.

454554121403 is a deficient number, since it is larger than the sum of its proper divisors (313271005).

454554121403 is a wasteful number, since it uses less digits than its factorization.

454554121403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313271004.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 454554121403 its reverse (304121455454), we get a palindrome (758675576857).

The spelling of 454554121403 in words is "four hundred fifty-four billion, five hundred fifty-four million, one hundred twenty-one thousand, four hundred three".