4761810192781 has 2 divisors, whose sum is σ = 4761810192782. Its totient is φ = 4761810192780.

The previous prime is 4761810192773. The next prime is 4761810192791. The reversal of 4761810192781 is 1872910181674.

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., 2676266964900 + 2085543227881 = 1635930^2 + 1444141^2 .

It is a cyclic number.

It is not a de Polignac number, because 4761810192781 - 2³ = 4761810192773 is a prime.

It is a super-2 number, since 2×4761810192781² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4761810192791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2380905096390 + 2380905096391.

It is an arithmetic number, because the mean of its divisors is an integer number (2380905096391).

Almost surely, 2^{4761810192781} is an apocalyptic number.

It is an amenable number.

4761810192781 is a deficient number, since it is larger than the sum of its proper divisors (1).

4761810192781 is an equidigital number, since it uses as much as digits as its factorization.

4761810192781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1354752, while the sum is 55.

The spelling of 4761810192781 in words is "four trillion, seven hundred sixty-one billion, eight hundred ten million, one hundred ninety-two thousand, seven hundred eighty-one".