713281949 has 2 divisors, whose sum is σ = 713281950. Its totient is φ = 713281948.

The previous prime is 713281931. The next prime is 713281951. The reversal of 713281949 is 949182317.

713281949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 562164100 + 151117849 = 23710^2 + 12293^2 .

It is an emirp because it is prime and its reverse (949182317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 713281949 - 2⁸ = 713281693 is a prime.

It is a super-2 number, since 2×713281949² = 1017542277538477202, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 713281951, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (713281909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356640974 + 356640975.

It is an arithmetic number, because the mean of its divisors is an integer number (356640975).

Almost surely, 2^713281949 is an apocalyptic number.

It is an amenable number.

713281949 is a deficient number, since it is larger than the sum of its proper divisors (1).

713281949 is an equidigital number, since it uses as much as digits as its factorization.

713281949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 44.

The square root of 713281949 is about 26707.3388603208. The cubic root of 713281949 is about 893.4846131115.

The spelling of 713281949 in words is "seven hundred thirteen million, two hundred eighty-one thousand, nine hundred forty-nine".