4780892681 has 2 divisors, whose sum is σ = 4780892682. Its totient is φ = 4780892680.

The previous prime is 4780892663. The next prime is 4780892741. The reversal of 4780892681 is 1862980874.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3315917056 + 1464975625 = 57584^2 + 38275^2 .

It is a cyclic number.

It is not a de Polignac number, because 4780892681 - 2¹⁴ = 4780876297 is a prime.

It is a super-2 number, since 2×4780892681² = 45713869654478735522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4780892621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2390446340 + 2390446341.

It is an arithmetic number, because the mean of its divisors is an integer number (2390446341).

Almost surely, 2^4780892681 is an apocalyptic number.

It is an amenable number.

4780892681 is a deficient number, since it is larger than the sum of its proper divisors (1).

4780892681 is an equidigital number, since it uses as much as digits as its factorization.

4780892681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1548288, while the sum is 53.

The square root of 4780892681 is about 69143.9996022793. Note that the first 3 decimals coincide. The cubic root of 4780892681 is about 1684.6240572239.

The spelling of 4780892681 in words is "four billion, seven hundred eighty million, eight hundred ninety-two thousand, six hundred eighty-one".