431346849829 has 4 divisors (see below), whose sum is σ = 492967828384. Its totient is φ = 369725871276.

The previous prime is 431346849821. The next prime is 431346849847. The reversal of 431346849829 is 928948643134.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 928948643134 = 2 ⋅464474321567.

It is a cyclic number.

It is not a de Polignac number, because 431346849829 - 2³ = 431346849821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431346849821) 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, 30810489267 + ... + 30810489280.

It is an arithmetic number, because the mean of its divisors is an integer number (123241957096).

Almost surely, 2^431346849829 is an apocalyptic number.

It is an amenable number.

431346849829 is a deficient number, since it is larger than the sum of its proper divisors (61620978555).

431346849829 is an equidigital number, since it uses as much as digits as its factorization.

431346849829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61620978554.

The product of its digits is 35831808, while the sum is 61.

The spelling of 431346849829 in words is "four hundred thirty-one billion, three hundred forty-six million, eight hundred forty-nine thousand, eight hundred twenty-nine".