4541346821 has 4 divisors (see below), whose sum is σ = 4954196544. Its totient is φ = 4128497100.

The previous prime is 4541346793. The next prime is 4541346853. The reversal of 4541346821 is 1286431454.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 4541346821 - 2¹⁸ = 4541084677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4541946821) 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, 206424845 + ... + 206424866.

It is an arithmetic number, because the mean of its divisors is an integer number (1238549136).

Almost surely, 2^4541346821 is an apocalyptic number.

It is an amenable number.

4541346821 is a deficient number, since it is larger than the sum of its proper divisors (412849723).

4541346821 is a wasteful number, since it uses less digits than its factorization.

4541346821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412849722.

The product of its digits is 92160, while the sum is 38.

The square root of 4541346821 is about 67389.5156608207. The cubic root of 4541346821 is about 1656.0046681481.

The spelling of 4541346821 in words is "four billion, five hundred forty-one million, three hundred forty-six thousand, eight hundred twenty-one".