761716243310849 has 2 divisors, whose sum is σ = 761716243310850. Its totient is φ = 761716243310848.

The previous prime is 761716243310837. The next prime is 761716243310857. The reversal of 761716243310849 is 948013342617167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 753795255230224 + 7920988080625 = 27455332^2 + 2814425^2 .

It is a cyclic number.

It is not a de Polignac number, because 761716243310849 - 2²⁸ = 761715974875393 is a prime.

It is a super-2 number, since 2×761716243310849² (a number of 31 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 761716243310791 and 761716243310800.

It is not a weakly prime, because it can be changed into another prime (761716243310809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380858121655424 + 380858121655425.

It is an arithmetic number, because the mean of its divisors is an integer number (380858121655425).

Almost surely, 2^{761716243310849} is an apocalyptic number.

It is an amenable number.

761716243310849 is a deficient number, since it is larger than the sum of its proper divisors (1).

761716243310849 is an equidigital number, since it uses as much as digits as its factorization.

761716243310849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36578304, while the sum is 62.

The spelling of 761716243310849 in words is "seven hundred sixty-one trillion, seven hundred sixteen billion, two hundred forty-three million, three hundred ten thousand, eight hundred forty-nine".