4661405279 has 4 divisors (see below), whose sum is σ = 4749356376. Its totient is φ = 4573454184.

The previous prime is 4661405263. The next prime is 4661405297. The reversal of 4661405279 is 9725041664.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4661405279 - 2⁴ = 4661405263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4661405209) 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, 43975469 + ... + 43975574.

It is an arithmetic number, because the mean of its divisors is an integer number (1187339094).

Almost surely, 2^4661405279 is an apocalyptic number.

4661405279 is a deficient number, since it is larger than the sum of its proper divisors (87951097).

4661405279 is an equidigital number, since it uses as much as digits as its factorization.

4661405279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87951096.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 4661405279 is about 68274.4848314508. The cubic root of 4661405279 is about 1670.4710539660.

The spelling of 4661405279 in words is "four billion, six hundred sixty-one million, four hundred five thousand, two hundred seventy-nine".