5430785421 has 16 divisors (see below), whose sum is σ = 7454966400. Its totient is φ = 3514452480.

The previous prime is 5430785419. The next prime is 5430785431. The reversal of 5430785421 is 1245870345.

It is not a de Polignac number, because 5430785421 - 2¹ = 5430785419 is a prime.

It is a super-2 number, since 2×5430785421² = 58986860577892294482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5430785421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5430785431) 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, 86460 + ... + 135413.

It is an arithmetic number, because the mean of its divisors is an integer number (465935400).

Almost surely, 2^5430785421 is an apocalyptic number.

It is an amenable number.

5430785421 is a deficient number, since it is larger than the sum of its proper divisors (2024180979).

5430785421 is a wasteful number, since it uses less digits than its factorization.

5430785421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222116.

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 5430785421 is about 73693.8628448801. The cubic root of 5430785421 is about 1757.7382945640.

The spelling of 5430785421 in words is "five billion, four hundred thirty million, seven hundred eighty-five thousand, four hundred twenty-one".