65419827619 has 2 divisors, whose sum is σ = 65419827620. Its totient is φ = 65419827618.

The previous prime is 65419827497. The next prime is 65419827623. The reversal of 65419827619 is 91672891456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65419827619 - 2²³ = 65411439011 is a prime.

It is a super-2 number, since 2×65419827619² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65419827119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32709913809 + 32709913810.

It is an arithmetic number, because the mean of its divisors is an integer number (32709913810).

Almost surely, 2^65419827619 is an apocalyptic number.

65419827619 is a deficient number, since it is larger than the sum of its proper divisors (1).

65419827619 is an equidigital number, since it uses as much as digits as its factorization.

65419827619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 58.

The spelling of 65419827619 in words is "sixty-five billion, four hundred nineteen million, eight hundred twenty-seven thousand, six hundred nineteen".