7662842449919 has 2 divisors, whose sum is σ = 7662842449920. Its totient is φ = 7662842449918.

The previous prime is 7662842449853. The next prime is 7662842449949. The reversal of 7662842449919 is 9199442482667.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7662842449919 - 2⁴⁰ = 6563330822143 is a prime.

It is a super-2 number, since 2×7662842449919² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7662842449949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3831421224959 + 3831421224960.

It is an arithmetic number, because the mean of its divisors is an integer number (3831421224960).

Almost surely, 2^{7662842449919} is an apocalyptic number.

7662842449919 is a deficient number, since it is larger than the sum of its proper divisors (1).

7662842449919 is an equidigital number, since it uses as much as digits as its factorization.

7662842449919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 376233984, while the sum is 71.

The spelling of 7662842449919 in words is "seven trillion, six hundred sixty-two billion, eight hundred forty-two million, four hundred forty-nine thousand, nine hundred nineteen".