83419453944 has 48 divisors (see below), whose sum is σ = 237818622600. Its totient is φ = 26342985024.

The previous prime is 83419453921. The next prime is 83419453961. The reversal of 83419453944 is 44935491438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30488199 + ... + 30490934.

Almost surely, 2^83419453944 is an apocalyptic number.

It is an amenable number.

83419453944 is an abundant number, since it is smaller than the sum of its proper divisors (154399168656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83419453944 is a wasteful number, since it uses less digits than its factorization.

83419453944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60979164 (or 60979157 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 83419453944 in words is "eighty-three billion, four hundred nineteen million, four hundred fifty-three thousand, nine hundred forty-four".