739605273949 has 2 divisors, whose sum is σ = 739605273950. Its totient is φ = 739605273948.

The previous prime is 739605273947. The next prime is 739605273977. The reversal of 739605273949 is 949372506937.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 735508633924 + 4096640025 = 857618^2 + 64005^2 .

It is a cyclic number.

It is not a de Polignac number, because 739605273949 - 2¹ = 739605273947 is a prime.

It is a super-2 number, since 2×739605273949² (a number of 25 digits) contains 22 as substring.

Together with 739605273947, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (739605273941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369802636974 + 369802636975.

It is an arithmetic number, because the mean of its divisors is an integer number (369802636975).

Almost surely, 2^739605273949 is an apocalyptic number.

It is an amenable number.

739605273949 is a deficient number, since it is larger than the sum of its proper divisors (1).

739605273949 is an equidigital number, since it uses as much as digits as its factorization.

739605273949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77157360, while the sum is 64.

The spelling of 739605273949 in words is "seven hundred thirty-nine billion, six hundred five million, two hundred seventy-three thousand, nine hundred forty-nine".