434719991854 has 16 divisors (see below), whose sum is σ = 660886752240. Its totient is φ = 214441525440.

The previous prime is 434719991851. The next prime is 434719991869. The reversal of 434719991854 is 458199917434.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434719991851) 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, 4228452 + ... + 4330039.

It is an arithmetic number, because the mean of its divisors is an integer number (41305422015).

Almost surely, 2^434719991854 is an apocalyptic number.

434719991854 is a deficient number, since it is larger than the sum of its proper divisors (226166760386).

434719991854 is a wasteful number, since it uses less digits than its factorization.

434719991854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8558835.

The product of its digits is 39191040, while the sum is 64.

The spelling of 434719991854 in words is "four hundred thirty-four billion, seven hundred nineteen million, nine hundred ninety-one thousand, eight hundred fifty-four".