1373267741 has 2 divisors, whose sum is σ = 1373267742. Its totient is φ = 1373267740.

The previous prime is 1373267719. The next prime is 1373267743. The reversal of 1373267741 is 1477623731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1348725625 + 24542116 = 36725^2 + 4954^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373267741 - 2¹⁴ = 1373251357 is a prime.

It is a Sophie Germain prime.

Together with 1373267743, 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 (1373267743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686633870 + 686633871.

It is an arithmetic number, because the mean of its divisors is an integer number (686633871).

Almost surely, 2^1373267741 is an apocalyptic number.

It is an amenable number.

1373267741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373267741 is an equidigital number, since it uses as much as digits as its factorization.

1373267741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 148176, while the sum is 41.

The square root of 1373267741 is about 37057.6272985738. The cubic root of 1373267741 is about 1111.5228781950.

The spelling of 1373267741 in words is "one billion, three hundred seventy-three million, two hundred sixty-seven thousand, seven hundred forty-one".