74011935535921 has 8 divisors (see below), whose sum is σ = 74440625808744. Its totient is φ = 73583255328000.

The previous prime is 74011935535919. The next prime is 74011935535943. The reversal of 74011935535921 is 12953553911047.

It can be written as a sum of positive squares in 4 ways, for example, as 15340625057521 + 58671310478400 = 3916711^2 + 7659720^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74011935535921 - 2¹ = 74011935535919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74011935530921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12491785 + ... + 17437561.

It is an arithmetic number, because the mean of its divisors is an integer number (9305078226093).

Almost surely, 2^{74011935535921} is an apocalyptic number.

It is an amenable number.

74011935535921 is a deficient number, since it is larger than the sum of its proper divisors (428690272823).

74011935535921 is a wasteful number, since it uses less digits than its factorization.

74011935535921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5032451.

The product of its (nonzero) digits is 5103000, while the sum is 55.

The spelling of 74011935535921 in words is "seventy-four trillion, eleven billion, nine hundred thirty-five million, five hundred thirty-five thousand, nine hundred twenty-one".