4761778141 has 2 divisors, whose sum is σ = 4761778142. Its totient is φ = 4761778140.

The previous prime is 4761778123. The next prime is 4761778181. The reversal of 4761778141 is 1418771674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4336222500 + 425555641 = 65850^2 + 20629^2 .

It is a cyclic number.

It is not a de Polignac number, because 4761778141 - 2¹¹ = 4761776093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4761778091 and 4761778100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4761778121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2380889070 + 2380889071.

It is an arithmetic number, because the mean of its divisors is an integer number (2380889071).

Almost surely, 2^4761778141 is an apocalyptic number.

It is an amenable number.

4761778141 is a deficient number, since it is larger than the sum of its proper divisors (1).

4761778141 is an equidigital number, since it uses as much as digits as its factorization.

4761778141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 263424, while the sum is 46.

The square root of 4761778141 is about 69005.6384725190. The cubic root of 4761778141 is about 1682.3759537981.

The spelling of 4761778141 in words is "four billion, seven hundred sixty-one million, seven hundred seventy-eight thousand, one hundred forty-one".