766473751061 has 2 divisors, whose sum is σ = 766473751062. Its totient is φ = 766473751060.

The previous prime is 766473750967. The next prime is 766473751249. The reversal of 766473751061 is 160157374667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 740470576036 + 26003175025 = 860506^2 + 161255^2 .

It is an emirp because it is prime and its reverse (160157374667) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-766473751061 is a prime.

It is a super-2 number, since 2×766473751061² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 766473750994 and 766473751012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (766473751961) 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, 383236875530 + 383236875531.

It is an arithmetic number, because the mean of its divisors is an integer number (383236875531).

Almost surely, 2^766473751061 is an apocalyptic number.

It is an amenable number.

766473751061 is a deficient number, since it is larger than the sum of its proper divisors (1).

766473751061 is an equidigital number, since it uses as much as digits as its factorization.

766473751061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4445280, while the sum is 53.

The spelling of 766473751061 in words is "seven hundred sixty-six billion, four hundred seventy-three million, seven hundred fifty-one thousand, sixty-one".