7438864619 has 2 divisors, whose sum is σ = 7438864620. Its totient is φ = 7438864618.

The previous prime is 7438864603. The next prime is 7438864649. The reversal of 7438864619 is 9164688347.

It is a weak prime.

It is an emirp because it is prime and its reverse (9164688347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7438864619 - 2⁴ = 7438864603 is a prime.

It is a super-2 number, since 2×7438864619² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7438864649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3719432309 + 3719432310.

It is an arithmetic number, because the mean of its divisors is an integer number (3719432310).

Almost surely, 2^7438864619 is an apocalyptic number.

7438864619 is a deficient number, since it is larger than the sum of its proper divisors (1).

7438864619 is an equidigital number, since it uses as much as digits as its factorization.

7438864619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 56.

The square root of 7438864619 is about 86248.8528561395. The cubic root of 7438864619 is about 1952.1007051415.

The spelling of 7438864619 in words is "seven billion, four hundred thirty-eight million, eight hundred sixty-four thousand, six hundred nineteen".