70605435545421 has 24 divisors (see below), whose sum is σ = 109594905425280. Its totient is φ = 40314855917952.

The previous prime is 70605435545401. The next prime is 70605435545459. The reversal of 70605435545421 is 12454553450607.

It is not a de Polignac number, because 70605435545421 - 2¹⁹ = 70605435021133 is a prime.

It is a super-3 number, since 3×70605435545421³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70605435545401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184970901 + ... + 185352218.

It is an arithmetic number, because the mean of its divisors is an integer number (4566454392720).

Almost surely, 2^{70605435545421} is an apocalyptic number.

It is an amenable number.

70605435545421 is a deficient number, since it is larger than the sum of its proper divisors (38989469879859).

70605435545421 is a wasteful number, since it uses less digits than its factorization.

70605435545421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370324433 (or 370324426 counting only the distinct ones).

The product of its (nonzero) digits is 10080000, while the sum is 51.

The spelling of 70605435545421 in words is "seventy trillion, six hundred five billion, four hundred thirty-five million, five hundred forty-five thousand, four hundred twenty-one".