431545015441 has 4 divisors (see below), whose sum is σ = 431554822884. Its totient is φ = 431535208000.

The previous prime is 431545015403. The next prime is 431545015459. The reversal of 431545015441 is 144510545134.

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

It can be written as a sum of positive squares in 2 ways, for example, as 236118246400 + 195426769041 = 485920^2 + 442071^2 .

It is a cyclic number.

It is not a de Polignac number, because 431545015441 - 2¹³ = 431545007249 is a prime.

It is a super-3 number, since 3×431545015441³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 431545015441.

It is not an unprimeable number, because it can be changed into a prime (431545015141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4837420 + ... + 4925821.

It is an arithmetic number, because the mean of its divisors is an integer number (107888705721).

Almost surely, 2^431545015441 is an apocalyptic number.

It is an amenable number.

431545015441 is a deficient number, since it is larger than the sum of its proper divisors (9807443).

431545015441 is an equidigital number, since it uses as much as digits as its factorization.

431545015441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9807442.

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 431545015441 in words is "four hundred thirty-one billion, five hundred forty-five million, fifteen thousand, four hundred forty-one".