74581282819 has 2 divisors, whose sum is σ = 74581282820. Its totient is φ = 74581282818.

The previous prime is 74581282799. The next prime is 74581282829. The reversal of 74581282819 is 91828218547.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 74581282819 - 2³¹ = 72433799171 is a prime.

It is a super-2 number, since 2×74581282819² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74581282819.

It is not a weakly prime, because it can be changed into another prime (74581282829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37290641409 + 37290641410.

It is an arithmetic number, because the mean of its divisors is an integer number (37290641410).

Almost surely, 2^74581282819 is an apocalyptic number.

74581282819 is a deficient number, since it is larger than the sum of its proper divisors (1).

74581282819 is an equidigital number, since it uses as much as digits as its factorization.

74581282819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2580480, while the sum is 55.

The spelling of 74581282819 in words is "seventy-four billion, five hundred eighty-one million, two hundred eighty-two thousand, eight hundred nineteen".