13647946494 has 128 divisors (see below), whose sum is σ = 37118269440. Its totient is φ = 3240382464.

The previous prime is 13647946489. The next prime is 13647946549. The reversal of 13647946494 is 49464974631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 181522 + ... + 245450.

It is an arithmetic number, because the mean of its divisors is an integer number (289986480).

Almost surely, 2^13647946494 is an apocalyptic number.

13647946494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13647946494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18559134720).

13647946494 is an abundant number, since it is smaller than the sum of its proper divisors (23470322946).

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

13647946494 is a wasteful number, since it uses less digits than its factorization.

13647946494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63994.

The product of its digits is 15676416, while the sum is 57.

The spelling of 13647946494 in words is "thirteen billion, six hundred forty-seven million, nine hundred forty-six thousand, four hundred ninety-four".