83435453438 has 16 divisors (see below), whose sum is σ = 126497120256. Its totient is φ = 41270572920.

The previous prime is 83435453377. The next prime is 83435453449.

It is a happy number.

83435453438 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×83435453438² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3518 + ... + 408513.

It is an arithmetic number, because the mean of its divisors is an integer number (7906070016).

Almost surely, 2^83435453438 is an apocalyptic number.

83435453438 is a deficient number, since it is larger than the sum of its proper divisors (43061666818).

83435453438 is a wasteful number, since it uses less digits than its factorization.

83435453438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413119.

The product of its digits is 8294400, while the sum is 50.

The spelling of 83435453438 in words is "eighty-three billion, four hundred thirty-five million, four hundred fifty-three thousand, four hundred thirty-eight".