4761113209781 has 2 divisors, whose sum is σ = 4761113209782. Its totient is φ = 4761113209780.

The previous prime is 4761113209711. The next prime is 4761113209829. The reversal of 4761113209781 is 1879023111674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3368160915025 + 1392952294756 = 1835255^2 + 1180234^2 .

It is a cyclic number.

It is not a de Polignac number, because 4761113209781 - 2⁴² = 363066698677 is a prime.

It is a super-2 number, since 2×4761113209781² (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 (4761113209711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2380556604890 + 2380556604891.

It is an arithmetic number, because the mean of its divisors is an integer number (2380556604891).

Almost surely, 2^{4761113209781} is an apocalyptic number.

It is an amenable number.

4761113209781 is a deficient number, since it is larger than the sum of its proper divisors (1).

4761113209781 is an equidigital number, since it uses as much as digits as its factorization.

4761113209781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 50.

The spelling of 4761113209781 in words is "four trillion, seven hundred sixty-one billion, one hundred thirteen million, two hundred nine thousand, seven hundred eighty-one".