912051740197 has 4 divisors (see below), whose sum is σ = 982209566380. Its totient is φ = 841893914016.

The previous prime is 912051740167. The next prime is 912051740207. The reversal of 912051740197 is 791047150219.

It is a Cunningham number, because it is equal to 955014²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 134919574596 + 777132165601 = 367314^2 + 881551^2 .

It is a cyclic number.

It is not a de Polignac number, because 912051740197 - 2¹⁹ = 912051215909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (912051740107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35078913072 + ... + 35078913097.

It is an arithmetic number, because the mean of its divisors is an integer number (245552391595).

Almost surely, 2^912051740197 is an apocalyptic number.

It is an amenable number.

912051740197 is a deficient number, since it is larger than the sum of its proper divisors (70157826183).

912051740197 is a wasteful number, since it uses less digits than its factorization.

912051740197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70157826182.

The product of its (nonzero) digits is 158760, while the sum is 46.

The spelling of 912051740197 in words is "nine hundred twelve billion, fifty-one million, seven hundred forty thousand, one hundred ninety-seven".