84493842037 has 4 divisors (see below), whose sum is σ = 92175100416. Its totient is φ = 76812583660.

The previous prime is 84493842019. The next prime is 84493842071. The reversal of 84493842037 is 73024839448.

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 84493842037 - 2²⁷ = 84359624309 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 (84493842007) 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, 3840629173 + ... + 3840629194.

It is an arithmetic number, because the mean of its divisors is an integer number (23043775104).

Almost surely, 2^84493842037 is an apocalyptic number.

It is an amenable number.

84493842037 is a deficient number, since it is larger than the sum of its proper divisors (7681258379).

84493842037 is a wasteful number, since it uses less digits than its factorization.

84493842037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7681258378.

The product of its (nonzero) digits is 4644864, while the sum is 52.

The spelling of 84493842037 in words is "eighty-four billion, four hundred ninety-three million, eight hundred forty-two thousand, thirty-seven".