4228761461 has 2 divisors, whose sum is σ = 4228761462. Its totient is φ = 4228761460.

The previous prime is 4228761437. The next prime is 4228761479. The reversal of 4228761461 is 1641678224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4146587236 + 82174225 = 64394^2 + 9065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4228761461 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4228761421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2114380730 + 2114380731.

It is an arithmetic number, because the mean of its divisors is an integer number (2114380731).

Almost surely, 2^4228761461 is an apocalyptic number.

It is an amenable number.

4228761461 is a deficient number, since it is larger than the sum of its proper divisors (1).

4228761461 is an equidigital number, since it uses as much as digits as its factorization.

4228761461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 41.

The square root of 4228761461 is about 65028.9278782912. The cubic root of 4228761461 is about 1617.1031730557.

The spelling of 4228761461 in words is "four billion, two hundred twenty-eight million, seven hundred sixty-one thousand, four hundred sixty-one".