4566951409 has 4 divisors (see below), whose sum is σ = 4571965440. Its totient is φ = 4561937380.

The previous prime is 4566951391. The next prime is 4566951421. The reversal of 4566951409 is 9041596654.

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 4566951409 - 2⁹ = 4566950897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4566951509) 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, 2505649 + ... + 2507470.

It is an arithmetic number, because the mean of its divisors is an integer number (1142991360).

Almost surely, 2^4566951409 is an apocalyptic number.

It is an amenable number.

4566951409 is a deficient number, since it is larger than the sum of its proper divisors (5014031).

4566951409 is an equidigital number, since it uses as much as digits as its factorization.

4566951409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5014030.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The square root of 4566951409 is about 67579.2232050650. The cubic root of 4566951409 is about 1659.1110798145. Note that the first 3 decimals are identical.

The spelling of 4566951409 in words is "four billion, five hundred sixty-six million, nine hundred fifty-one thousand, four hundred nine".