7790380369 has 2 divisors, whose sum is σ = 7790380370. Its totient is φ = 7790380368.

The previous prime is 7790380327. The next prime is 7790380427. The reversal of 7790380369 is 9630830977.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7312302144 + 478078225 = 85512^2 + 21865^2 .

It is a cyclic number.

It is not a de Polignac number, because 7790380369 - 2¹⁵ = 7790347601 is a prime.

It is a super-2 number, since 2×7790380369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7790380319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3895190184 + 3895190185.

It is an arithmetic number, because the mean of its divisors is an integer number (3895190185).

Almost surely, 2^7790380369 is an apocalyptic number.

It is an amenable number.

7790380369 is a deficient number, since it is larger than the sum of its proper divisors (1).

7790380369 is an equidigital number, since it uses as much as digits as its factorization.

7790380369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1714608, while the sum is 52.

The square root of 7790380369 is about 88263.1314253012. The cubic root of 7790380369 is about 1982.3768661010.

The spelling of 7790380369 in words is "seven billion, seven hundred ninety million, three hundred eighty thousand, three hundred sixty-nine".