613988986105 has 16 divisors (see below), whose sum is σ = 846070948800. Its totient is φ = 423035472960.

The previous prime is 613988986099. The next prime is 613988986109. The reversal of 613988986105 is 501689889316.

It is not a de Polignac number, because 613988986105 - 2²¹ = 613986888953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (613988986109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293773590 + ... + 293775679.

It is an arithmetic number, because the mean of its divisors is an integer number (52879434300).

Almost surely, 2^613988986105 is an apocalyptic number.

It is an amenable number.

613988986105 is a deficient number, since it is larger than the sum of its proper divisors (232081962695).

613988986105 is a wasteful number, since it uses less digits than its factorization.

613988986105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587549304.

The product of its (nonzero) digits is 22394880, while the sum is 64.

The spelling of 613988986105 in words is "six hundred thirteen billion, nine hundred eighty-eight million, nine hundred eighty-six thousand, one hundred five".