612722350949 has 2 divisors, whose sum is σ = 612722350950. Its totient is φ = 612722350948.

The previous prime is 612722350921. The next prime is 612722350969. The reversal of 612722350949 is 949053227216.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 532873720324 + 79848630625 = 729982^2 + 282575^2 .

It is a cyclic number.

It is not a de Polignac number, because 612722350949 - 2⁸ = 612722350693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 612722350897 and 612722350906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612722350909) 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, 306361175474 + 306361175475.

It is an arithmetic number, because the mean of its divisors is an integer number (306361175475).

Almost surely, 2^612722350949 is an apocalyptic number.

It is an amenable number.

612722350949 is a deficient number, since it is larger than the sum of its proper divisors (1).

612722350949 is an equidigital number, since it uses as much as digits as its factorization.

612722350949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 612722350949 in words is "six hundred twelve billion, seven hundred twenty-two million, three hundred fifty thousand, nine hundred forty-nine".