7916938019 has 2 divisors, whose sum is σ = 7916938020. Its totient is φ = 7916938018.

The previous prime is 7916938013. The next prime is 7916938037. The reversal of 7916938019 is 9108396197.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7916938019 - 2¹² = 7916933923 is a prime.

It is a super-2 number, since 2×7916938019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7916938013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3958469009 + 3958469010.

It is an arithmetic number, because the mean of its divisors is an integer number (3958469010).

Almost surely, 2^7916938019 is an apocalyptic number.

7916938019 is a deficient number, since it is larger than the sum of its proper divisors (1).

7916938019 is an equidigital number, since it uses as much as digits as its factorization.

7916938019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 53.

The square root of 7916938019 is about 88977.1769556666. The cubic root of 7916938019 is about 1993.0540732267.

The spelling of 7916938019 in words is "seven billion, nine hundred sixteen million, nine hundred thirty-eight thousand, nineteen".