450435123491 has 2 divisors, whose sum is σ = 450435123492. Its totient is φ = 450435123490.

The previous prime is 450435123431. The next prime is 450435123493. The reversal of 450435123491 is 194321534054.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 450435123491 - 2¹⁸ = 450434861347 is a prime.

Together with 450435123493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (450435123493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225217561745 + 225217561746.

It is an arithmetic number, because the mean of its divisors is an integer number (225217561746).

Almost surely, 2^450435123491 is an apocalyptic number.

450435123491 is a deficient number, since it is larger than the sum of its proper divisors (1).

450435123491 is an equidigital number, since it uses as much as digits as its factorization.

450435123491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 450435123491 in words is "four hundred fifty billion, four hundred thirty-five million, one hundred twenty-three thousand, four hundred ninety-one".