7418790409 has 2 divisors, whose sum is σ = 7418790410. Its totient is φ = 7418790408.

The previous prime is 7418790403. The next prime is 7418790419. The reversal of 7418790409 is 9040978147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4948700409 + 2470090000 = 70347^2 + 49700^2 .

It is a cyclic number.

It is not a de Polignac number, because 7418790409 - 2⁹ = 7418789897 is a prime.

It is a super-2 number, since 2×7418790409² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7418790403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3709395204 + 3709395205.

It is an arithmetic number, because the mean of its divisors is an integer number (3709395205).

Almost surely, 2^7418790409 is an apocalyptic number.

It is an amenable number.

7418790409 is a deficient number, since it is larger than the sum of its proper divisors (1).

7418790409 is an equidigital number, since it uses as much as digits as its factorization.

7418790409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 7418790409 is about 86132.4004599895. The cubic root of 7418790409 is about 1950.3431707234.

The spelling of 7418790409 in words is "seven billion, four hundred eighteen million, seven hundred ninety thousand, four hundred nine".