7371998789 has 2 divisors, whose sum is σ = 7371998790. Its totient is φ = 7371998788.

The previous prime is 7371998759. The next prime is 7371998849. The reversal of 7371998789 is 9878991737.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7371081025 + 917764 = 85855^2 + 958^2 .

It is a cyclic number.

It is not a de Polignac number, because 7371998789 - 2²⁸ = 7103563333 is a prime.

It is a super-2 number, since 2×7371998789² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7371998719) 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, 3685999394 + 3685999395.

It is an arithmetic number, because the mean of its divisors is an integer number (3685999395).

Almost surely, 2^7371998789 is an apocalyptic number.

It is an amenable number.

7371998789 is a deficient number, since it is larger than the sum of its proper divisors (1).

7371998789 is an equidigital number, since it uses as much as digits as its factorization.

7371998789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48009024, while the sum is 68.

The square root of 7371998789 is about 85860.3446825134. The cubic root of 7371998789 is about 1946.2341336113.

The spelling of 7371998789 in words is "seven billion, three hundred seventy-one million, nine hundred ninety-eight thousand, seven hundred eighty-nine".