84491036613 has 48 divisors (see below), whose sum is σ = 128443161600. Its totient is φ = 53416737792.

The previous prime is 84491036603. The next prime is 84491036629. The reversal of 84491036613 is 31663019448.

It is not a de Polignac number, because 84491036613 - 2¹² = 84491032517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84491036603) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18719445 + ... + 18723957.

It is an arithmetic number, because the mean of its divisors is an integer number (2675899200).

Almost surely, 2^84491036613 is an apocalyptic number.

It is an amenable number.

84491036613 is a deficient number, since it is larger than the sum of its proper divisors (43952124987).

84491036613 is a wasteful number, since it uses less digits than its factorization.

84491036613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5298 (or 5295 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 84491036613 in words is "eighty-four billion, four hundred ninety-one million, thirty-six thousand, six hundred thirteen".