4626722669 has 18 divisors (see below), whose sum is σ = 5091223530. Its totient is φ = 4198746496.

The previous prime is 4626722663. The next prime is 4626722671. The reversal of 4626722669 is 9662276264.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1921682569 + 2705040100 = 43837^2 + 52010^2 .

It is not a de Polignac number, because 4626722669 - 2¹² = 4626718573 is a prime.

It is a super-2 number, since 2×4626722669² = 42813125311676967122, 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 (4626722663) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6226712 + ... + 6227454.

Almost surely, 2^4626722669 is an apocalyptic number.

It is an amenable number.

4626722669 is a deficient number, since it is larger than the sum of its proper divisors (464500861).

4626722669 is an frugal number, since it uses more digits than its factorization.

4626722669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549 (or 789 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 50.

The square root of 4626722669 is about 68020.0166789159. The cubic root of 4626722669 is about 1666.3177583540.

The spelling of 4626722669 in words is "four billion, six hundred twenty-six million, seven hundred twenty-two thousand, six hundred sixty-nine".