4551641213 has 16 divisors (see below), whose sum is σ = 5315212800. Its totient is φ = 3896132688.

The previous prime is 4551641201. The next prime is 4551641239. The reversal of 4551641213 is 3121461554.

It is not a de Polignac number, because 4551641213 - 2²⁴ = 4534863997 is a prime.

It is a super-2 number, since 2×4551641213² = 41434875463760222738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4551641213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4551641713) 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, 256556 + ... + 273722.

It is an arithmetic number, because the mean of its divisors is an integer number (332200800).

Almost surely, 2^4551641213 is an apocalyptic number.

It is an amenable number.

4551641213 is a deficient number, since it is larger than the sum of its proper divisors (763571587).

4551641213 is an equidigital number, since it uses as much as digits as its factorization.

4551641213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17961 (or 17947 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 4551641213 is about 67465.8521994646. The cubic root of 4551641213 is about 1657.2550091340.

The spelling of 4551641213 in words is "four billion, five hundred fifty-one million, six hundred forty-one thousand, two hundred thirteen".