650729614949 has 2 divisors, whose sum is σ = 650729614950. Its totient is φ = 650729614948.

The previous prime is 650729614901. The next prime is 650729614961. The reversal of 650729614949 is 949416927056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 558688977025 + 92040637924 = 747455^2 + 303382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-650729614949 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 650729614891 and 650729614900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650729614049) 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, 325364807474 + 325364807475.

It is an arithmetic number, because the mean of its divisors is an integer number (325364807475).

Almost surely, 2^650729614949 is an apocalyptic number.

It is an amenable number.

650729614949 is a deficient number, since it is larger than the sum of its proper divisors (1).

650729614949 is an equidigital number, since it uses as much as digits as its factorization.

650729614949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29393280, while the sum is 62.

The spelling of 650729614949 in words is "six hundred fifty billion, seven hundred twenty-nine million, six hundred fourteen thousand, nine hundred forty-nine".