74199529919 has 2 divisors, whose sum is σ = 74199529920. Its totient is φ = 74199529918.

The previous prime is 74199529853. The next prime is 74199529931. The reversal of 74199529919 is 91992599147.

It is a strong prime.

It is an emirp because it is prime and its reverse (91992599147) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74199529919 is a prime.

It is a super-2 number, since 2×74199529919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74199529979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37099764959 + 37099764960.

It is an arithmetic number, because the mean of its divisors is an integer number (37099764960).

Almost surely, 2^74199529919 is an apocalyptic number.

74199529919 is a deficient number, since it is larger than the sum of its proper divisors (1).

74199529919 is an equidigital number, since it uses as much as digits as its factorization.

74199529919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16533720, while the sum is 65.

The spelling of 74199529919 in words is "seventy-four billion, one hundred ninety-nine million, five hundred twenty-nine thousand, nine hundred nineteen".