5431204021345 has 8 divisors (see below), whose sum is σ = 6518534553000. Its totient is φ = 4344236732160.

The previous prime is 5431204021339. The next prime is 5431204021349.

5431204021345 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 330725057569 + 5100478963776 = 575087^2 + 2258424^2 .

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

It is not a de Polignac number, because 5431204021345 - 2³ = 5431204021337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5431204021345.

It is not an unprimeable number, because it can be changed into a prime (5431204021349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90777720 + ... + 90837529.

It is an arithmetic number, because the mean of its divisors is an integer number (814816819125).

Almost surely, 2^{5431204021345} is an apocalyptic number.

It is an amenable number.

5431204021345 is a deficient number, since it is larger than the sum of its proper divisors (1087330531655).

5431204021345 is a wasteful number, since it uses less digits than its factorization.

5431204021345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181621235.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 5431204021345 in words is "five trillion, four hundred thirty-one billion, two hundred four million, twenty-one thousand, three hundred forty-five".