1373343407 has 2 divisors, whose sum is σ = 1373343408. Its totient is φ = 1373343406.

The previous prime is 1373343397. The next prime is 1373343437. The reversal of 1373343407 is 7043433731.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1373343407 - 2⁸ = 1373343151 is a prime.

It is a super-2 number, since 2×1373343407² = 3772144227100735298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1373343437) 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, 686671703 + 686671704.

It is an arithmetic number, because the mean of its divisors is an integer number (686671704).

Almost surely, 2^1373343407 is an apocalyptic number.

1373343407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373343407 is an equidigital number, since it uses as much as digits as its factorization.

1373343407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 35.

The square root of 1373343407 is about 37058.6482079420. The cubic root of 1373343407 is about 1111.5432925063.

The spelling of 1373343407 in words is "one billion, three hundred seventy-three million, three hundred forty-three thousand, four hundred seven".