74268609400209 has 16 divisors (see below), whose sum is σ = 113172124972032. Its totient is φ = 42438863878608.

The previous prime is 74268609400199. The next prime is 74268609400231. The reversal of 74268609400209 is 90200490686247.

It is not a de Polignac number, because 74268609400209 - 2¹¹ = 74268609398161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74268609400409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11545179 + ... + 16787744.

It is an arithmetic number, because the mean of its divisors is an integer number (7073257810752).

Almost surely, 2^{74268609400209} is an apocalyptic number.

It is an amenable number.

74268609400209 is a deficient number, since it is larger than the sum of its proper divisors (38903515571823).

74268609400209 is a wasteful number, since it uses less digits than its factorization.

74268609400209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28457756.

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 74268609400209 in words is "seventy-four trillion, two hundred sixty-eight billion, six hundred nine million, four hundred thousand, two hundred nine".