13018978002 has 32 divisors (see below), whose sum is σ = 26194037184. Its totient is φ = 4313707200.

The previous prime is 13018977991. The next prime is 13018978003. The reversal of 13018978002 is 20087981031.

It is not an unprimeable number, because it can be changed into a prime (13018978003) 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, 893052 + ... + 907512.

It is an arithmetic number, because the mean of its divisors is an integer number (818563662).

Almost surely, 2^13018978002 is an apocalyptic number.

13018978002 is an abundant number, since it is smaller than the sum of its proper divisors (13175059182).

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

13018978002 is a wasteful number, since it uses less digits than its factorization.

13018978002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15354.

The product of its (nonzero) digits is 24192, while the sum is 39.

The spelling of 13018978002 in words is "thirteen billion, eighteen million, nine hundred seventy-eight thousand, two".