83640119573 has 4 divisors (see below), whose sum is σ = 83892809088. Its totient is φ = 83387430060.

The previous prime is 83640119543. The next prime is 83640119609. The reversal of 83640119573 is 37591104638.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83640119573 - 2¹⁴ = 83640103189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83640119533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126344261 + ... + 126344922.

It is an arithmetic number, because the mean of its divisors is an integer number (20973202272).

Almost surely, 2^83640119573 is an apocalyptic number.

It is an amenable number.

83640119573 is a deficient number, since it is larger than the sum of its proper divisors (252689515).

83640119573 is a wasteful number, since it uses less digits than its factorization.

83640119573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252689514.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 83640119573 in words is "eighty-three billion, six hundred forty million, one hundred nineteen thousand, five hundred seventy-three".