431211620469 has 8 divisors (see below), whose sum is σ = 657084374080. Its totient is φ = 246406640256.

The previous prime is 431211620363. The next prime is 431211620471. The reversal of 431211620469 is 964026112134.

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

It is not a de Polignac number, because 431211620469 - 2¹² = 431211616373 is a prime.

It is a super-2 number, since 2×431211620469² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431211625469) 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, 10266943324 + ... + 10266943365.

It is an arithmetic number, because the mean of its divisors is an integer number (82135546760).

Almost surely, 2^431211620469 is an apocalyptic number.

It is an amenable number.

431211620469 is a deficient number, since it is larger than the sum of its proper divisors (225872753611).

431211620469 is a wasteful number, since it uses less digits than its factorization.

431211620469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20533886699.

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 431211620469 in words is "four hundred thirty-one billion, two hundred eleven million, six hundred twenty thousand, four hundred sixty-nine".