494951333777 has 2 divisors, whose sum is σ = 494951333778. Its totient is φ = 494951333776.

The previous prime is 494951333771. The next prime is 494951333869. The reversal of 494951333777 is 777333159494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 477316556161 + 17634777616 = 690881^2 + 132796^2 .

It is a cyclic number.

It is not a de Polignac number, because 494951333777 - 2⁸ = 494951333521 is a prime.

It is a super-2 number, since 2×494951333777² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (494951333771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247475666888 + 247475666889.

It is an arithmetic number, because the mean of its divisors is an integer number (247475666889).

Almost surely, 2^494951333777 is an apocalyptic number.

It is an amenable number.

494951333777 is a deficient number, since it is larger than the sum of its proper divisors (1).

494951333777 is an equidigital number, since it uses as much as digits as its factorization.

494951333777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60011280, while the sum is 62.

The spelling of 494951333777 in words is "four hundred ninety-four billion, nine hundred fifty-one million, three hundred thirty-three thousand, seven hundred seventy-seven".