74218959359 has 4 divisors (see below), whose sum is σ = 74283330816. Its totient is φ = 74154587904.

The previous prime is 74218959341. The next prime is 74218959379. The reversal of 74218959359 is 95395981247.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74218959359 - 2¹⁶ = 74218893823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74218959379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32183999 + ... + 32186304.

It is an arithmetic number, because the mean of its divisors is an integer number (18570832704).

Almost surely, 2^74218959359 is an apocalyptic number.

74218959359 is a deficient number, since it is larger than the sum of its proper divisors (64371457).

74218959359 is a wasteful number, since it uses less digits than its factorization.

74218959359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64371456.

The product of its digits is 24494400, while the sum is 62.

The spelling of 74218959359 in words is "seventy-four billion, two hundred eighteen million, nine hundred fifty-nine thousand, three hundred fifty-nine".