431481169513 has 4 divisors (see below), whose sum is σ = 431497093248. Its totient is φ = 431465245780.

The previous prime is 431481169489. The next prime is 431481169523. The reversal of 431481169513 is 315961184134.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 431481169513 - 2⁹ = 431481169001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431481169523) 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 3 ways as a sum of consecutive naturals, for example, 7921153 + ... + 7975438.

It is an arithmetic number, because the mean of its divisors is an integer number (107874273312).

Almost surely, 2^431481169513 is an apocalyptic number.

It is an amenable number.

431481169513 is a deficient number, since it is larger than the sum of its proper divisors (15923735).

431481169513 is a wasteful number, since it uses less digits than its factorization.

431481169513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15923734.

The product of its digits is 311040, while the sum is 46.

The spelling of 431481169513 in words is "four hundred thirty-one billion, four hundred eighty-one million, one hundred sixty-nine thousand, five hundred thirteen".