4764148661 has 4 divisors (see below), whose sum is σ = 4764784512. Its totient is φ = 4763512812.

The previous prime is 4764148643. The next prime is 4764148667. The reversal of 4764148661 is 1668414674.

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 4764148661 - 2¹⁴ = 4764132277 is a prime.

It is a super-2 number, since 2×4764148661² = 45394224928216185842, which contains 22 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 (4764148667) 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, 306551 + ... + 321716.

It is an arithmetic number, because the mean of its divisors is an integer number (1191196128).

Almost surely, 2^4764148661 is an apocalyptic number.

It is an amenable number.

4764148661 is a deficient number, since it is larger than the sum of its proper divisors (635851).

4764148661 is an equidigital number, since it uses as much as digits as its factorization.

4764148661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635850.

The product of its digits is 774144, while the sum is 47.

The square root of 4764148661 is about 69022.8126129325. The cubic root of 4764148661 is about 1682.6550823169.

The spelling of 4764148661 in words is "four billion, seven hundred sixty-four million, one hundred forty-eight thousand, six hundred sixty-one".