8434401899 has 32 divisors (see below), whose sum is σ = 10866432000. Its totient is φ = 6488838720.

The previous prime is 8434401881. The next prime is 8434401901. The reversal of 8434401899 is 9981044348.

8434401899 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8434401899 - 2²⁸ = 8165966443 is a prime.

It is a super-2 number, since 2×8434401899² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8434401809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 283919 + ... + 312215.

It is an arithmetic number, because the mean of its divisors is an integer number (339576000).

Almost surely, 2^8434401899 is an apocalyptic number.

8434401899 is a deficient number, since it is larger than the sum of its proper divisors (2432030101).

8434401899 is a wasteful number, since it uses less digits than its factorization.

8434401899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28408 (or 28394 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 8434401899 is about 91838.9998802252. Note that the first 3 decimals coincide. The cubic root of 8434401899 is about 2035.5640103893.

The spelling of 8434401899 in words is "eight billion, four hundred thirty-four million, four hundred one thousand, eight hundred ninety-nine".