612408773741 has 2 divisors, whose sum is σ = 612408773742. Its totient is φ = 612408773740.

The previous prime is 612408773731. The next prime is 612408773771. The reversal of 612408773741 is 147377804216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 600384774025 + 12023999716 = 774845^2 + 109654^2 .

It is a cyclic number.

It is not a de Polignac number, because 612408773741 - 2¹⁸ = 612408511597 is a prime.

It is a super-2 number, since 2×612408773741² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 612408773741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612408773731) 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, 306204386870 + 306204386871.

It is an arithmetic number, because the mean of its divisors is an integer number (306204386871).

Almost surely, 2^612408773741 is an apocalyptic number.

It is an amenable number.

612408773741 is a deficient number, since it is larger than the sum of its proper divisors (1).

612408773741 is an equidigital number, since it uses as much as digits as its factorization.

612408773741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1580544, while the sum is 50.

The spelling of 612408773741 in words is "six hundred twelve billion, four hundred eight million, seven hundred seventy-three thousand, seven hundred forty-one".