312173864159741 has 2 divisors, whose sum is σ = 312173864159742. Its totient is φ = 312173864159740.

The previous prime is 312173864159699. The next prime is 312173864159821. The reversal of 312173864159741 is 147951468371213.

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., 308977470840025 + 3196393319716 = 17577755^2 + 1787846^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312173864159741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312173864150741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156086932079870 + 156086932079871.

It is an arithmetic number, because the mean of its divisors is an integer number (156086932079871).

Almost surely, 2^{312173864159741} is an apocalyptic number.

It is an amenable number.

312173864159741 is a deficient number, since it is larger than the sum of its proper divisors (1).

312173864159741 is an equidigital number, since it uses as much as digits as its factorization.

312173864159741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30481920, while the sum is 62.

The spelling of 312173864159741 in words is "three hundred twelve trillion, one hundred seventy-three billion, eight hundred sixty-four million, one hundred fifty-nine thousand, seven hundred forty-one".