431121122449 has 4 divisors (see below), whose sum is σ = 431247665664. Its totient is φ = 430994579236.

The previous prime is 431121122423. The next prime is 431121122461. The reversal of 431121122449 is 944221121134.

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 431121122449 - 2⁵ = 431121122417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431121122249) 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, 63266497 + ... + 63273310.

It is an arithmetic number, because the mean of its divisors is an integer number (107811916416).

Almost surely, 2^431121122449 is an apocalyptic number.

It is an amenable number.

431121122449 is a deficient number, since it is larger than the sum of its proper divisors (126543215).

431121122449 is a wasteful number, since it uses less digits than its factorization.

431121122449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126543214.

The product of its digits is 13824, while the sum is 34.

The spelling of 431121122449 in words is "four hundred thirty-one billion, one hundred twenty-one million, one hundred twenty-two thousand, four hundred forty-nine".