786121066994273 has 2 divisors, whose sum is σ = 786121066994274. Its totient is φ = 786121066994272.

The previous prime is 786121066994203. The next prime is 786121066994311. The reversal of 786121066994273 is 372499660121687.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 600377749796449 + 185743317197824 = 24502607^2 + 13628768^2 .

It is a cyclic number.

It is not a de Polignac number, because 786121066994273 - 2²⁸ = 786120798558817 is a prime.

It is a super-2 number, since 2×786121066994273² (a number of 31 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 786121066994197 and 786121066994206.

It is not a weakly prime, because it can be changed into another prime (786121066994203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393060533497136 + 393060533497137.

It is an arithmetic number, because the mean of its divisors is an integer number (393060533497137).

Almost surely, 2^{786121066994273} is an apocalyptic number.

It is an amenable number.

786121066994273 is a deficient number, since it is larger than the sum of its proper divisors (1).

786121066994273 is an equidigital number, since it uses as much as digits as its factorization.

786121066994273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 329204736, while the sum is 71.

The spelling of 786121066994273 in words is "seven hundred eighty-six trillion, one hundred twenty-one billion, sixty-six million, nine hundred ninety-four thousand, two hundred seventy-three".