74337901819 has 2 divisors, whose sum is σ = 74337901820. Its totient is φ = 74337901818.

The previous prime is 74337901817. The next prime is 74337901849. The reversal of 74337901819 is 91810973347.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74337901819 - 2¹ = 74337901817 is a prime.

It is a super-2 number, since 2×74337901819² (a number of 23 digits) contains 22 as substring.

Together with 74337901817, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (74337901817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37168950909 + 37168950910.

It is an arithmetic number, because the mean of its divisors is an integer number (37168950910).

Almost surely, 2^74337901819 is an apocalyptic number.

74337901819 is a deficient number, since it is larger than the sum of its proper divisors (1).

74337901819 is an equidigital number, since it uses as much as digits as its factorization.

74337901819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The spelling of 74337901819 in words is "seventy-four billion, three hundred thirty-seven million, nine hundred one thousand, eight hundred nineteen".