4773895661 has 4 divisors (see below), whose sum is σ = 4834324800. Its totient is φ = 4713466524.

The previous prime is 4773895649. The next prime is 4773895669. The reversal of 4773895661 is 1665983774.

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 4773895661 - 2³⁰ = 3700153837 is a prime.

It is a super-2 number, since 2×4773895661² = 45580159564229253842, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4773895597 and 4773895606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4773895669) 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, 30214451 + ... + 30214608.

It is an arithmetic number, because the mean of its divisors is an integer number (1208581200).

Almost surely, 2^4773895661 is an apocalyptic number.

It is an amenable number.

4773895661 is a deficient number, since it is larger than the sum of its proper divisors (60429139).

4773895661 is an equidigital number, since it uses as much as digits as its factorization.

4773895661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60429138.

The product of its digits is 7620480, while the sum is 56.

The square root of 4773895661 is about 69093.3836267989. The cubic root of 4773895661 is about 1683.8018186380.

The spelling of 4773895661 in words is "four billion, seven hundred seventy-three million, eight hundred ninety-five thousand, six hundred sixty-one".