7347917389 has 2 divisors, whose sum is σ = 7347917390. Its totient is φ = 7347917388.

The previous prime is 7347917371. The next prime is 7347917399. The reversal of 7347917389 is 9837197437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7137377289 + 210540100 = 84483^2 + 14510^2 .

It is a cyclic number.

It is not a de Polignac number, because 7347917389 - 2²⁹ = 6811046477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7347917399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3673958694 + 3673958695.

It is an arithmetic number, because the mean of its divisors is an integer number (3673958695).

Almost surely, 2^7347917389 is an apocalyptic number.

It is an amenable number.

7347917389 is a deficient number, since it is larger than the sum of its proper divisors (1).

7347917389 is an equidigital number, since it uses as much as digits as its factorization.

7347917389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8001504, while the sum is 58.

The square root of 7347917389 is about 85719.9941028929. The cubic root of 7347917389 is about 1944.1126298901.

The spelling of 7347917389 in words is "seven billion, three hundred forty-seven million, nine hundred seventeen thousand, three hundred eighty-nine".