454021665603 has 16 divisors (see below), whose sum is σ = 695152790400. Its totient is φ = 260682295680.

The previous prime is 454021665577. The next prime is 454021665631. The reversal of 454021665603 is 306566120454.

It is not a de Polignac number, because 454021665603 - 2¹⁷ = 454021534531 is a prime.

It is a super-2 number, since 2×454021665603² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (454021665653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362058118 + ... + 362059371.

It is an arithmetic number, because the mean of its divisors is an integer number (43447049400).

Almost surely, 2^454021665603 is an apocalyptic number.

454021665603 is a deficient number, since it is larger than the sum of its proper divisors (241131124797).

454021665603 is a wasteful number, since it uses less digits than its factorization.

454021665603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724117522.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 454021665603 in words is "four hundred fifty-four billion, twenty-one million, six hundred sixty-five thousand, six hundred three".