4657471661 has 4 divisors (see below), whose sum is σ = 4666731552. Its totient is φ = 4648211772.

The previous prime is 4657471583. The next prime is 4657471667. The reversal of 4657471661 is 1661747564.

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 4657471661 - 2²² = 4653277357 is a prime.

It is a super-3 number, since 3×4657471661³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4657471667) 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, 4629191 + ... + 4630196.

It is an arithmetic number, because the mean of its divisors is an integer number (1166682888).

Almost surely, 2^4657471661 is an apocalyptic number.

It is an amenable number.

4657471661 is a deficient number, since it is larger than the sum of its proper divisors (9259891).

4657471661 is an equidigital number, since it uses as much as digits as its factorization.

4657471661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9259890.

The product of its digits is 846720, while the sum is 47.

The square root of 4657471661 is about 68245.6713718900. The cubic root of 4657471661 is about 1670.0010351745.

The spelling of 4657471661 in words is "four billion, six hundred fifty-seven million, four hundred seventy-one thousand, six hundred sixty-one".