4626645461 has 2 divisors, whose sum is σ = 4626645462. Its totient is φ = 4626645460.

The previous prime is 4626645449. The next prime is 4626645479. The reversal of 4626645461 is 1645466264.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3108062500 + 1518582961 = 55750^2 + 38969^2 .

It is a cyclic number.

It is not a de Polignac number, because 4626645461 - 2³⁰ = 3552903637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4626695461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2313322730 + 2313322731.

It is an arithmetic number, because the mean of its divisors is an integer number (2313322731).

Almost surely, 2^4626645461 is an apocalyptic number.

It is an amenable number.

4626645461 is a deficient number, since it is larger than the sum of its proper divisors (1).

4626645461 is an equidigital number, since it uses as much as digits as its factorization.

4626645461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 44.

The square root of 4626645461 is about 68019.4491377282. The cubic root of 4626645461 is about 1666.3084894621.

The spelling of 4626645461 in words is "four billion, six hundred twenty-six million, six hundred forty-five thousand, four hundred sixty-one".