4545463321 has 4 divisors (see below), whose sum is σ = 5194815232. Its totient is φ = 3896111412.

The previous prime is 4545463313. The next prime is 4545463331. The reversal of 4545463321 is 1233645454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1233645454 = 2 ⋅616822727.

It is a cyclic number.

It is not a de Polignac number, because 4545463321 - 2³ = 4545463313 is a prime.

It is a super-2 number, since 2×4545463321² = 41322473605112698082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4545463331) 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, 324675945 + ... + 324675958.

It is an arithmetic number, because the mean of its divisors is an integer number (1298703808).

Almost surely, 2^4545463321 is an apocalyptic number.

It is an amenable number.

4545463321 is a deficient number, since it is larger than the sum of its proper divisors (649351911).

4545463321 is an equidigital number, since it uses as much as digits as its factorization.

4545463321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649351910.

The product of its digits is 172800, while the sum is 37.

The square root of 4545463321 is about 67420.0513274797. The cubic root of 4545463321 is about 1656.5048783856.

The spelling of 4545463321 in words is "four billion, five hundred forty-five million, four hundred sixty-three thousand, three hundred twenty-one".