7374321613 has 2 divisors, whose sum is σ = 7374321614. Its totient is φ = 7374321612.

The previous prime is 7374321607. The next prime is 7374321641. The reversal of 7374321613 is 3161234737.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6638664484 + 735657129 = 81478^2 + 27123^2 .

It is an emirp because it is prime and its reverse (3161234737) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7374321613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7374324613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3687160806 + 3687160807.

It is an arithmetic number, because the mean of its divisors is an integer number (3687160807).

Almost surely, 2^7374321613 is an apocalyptic number.

It is an amenable number.

7374321613 is a deficient number, since it is larger than the sum of its proper divisors (1).

7374321613 is an equidigital number, since it uses as much as digits as its factorization.

7374321613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 37.

The square root of 7374321613 is about 85873.8703739385. The cubic root of 7374321613 is about 1946.4385234363.

The spelling of 7374321613 in words is "seven billion, three hundred seventy-four million, three hundred twenty-one thousand, six hundred thirteen".