13418835221002 has 4 divisors (see below), whose sum is σ = 20128252831506. Its totient is φ = 6709417610500.

The previous prime is 13418835220997. The next prime is 13418835221003. The reversal of 13418835221002 is 20012253881431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13264826852281 + 154008368721 = 3642091^2 + 392439^2 .

It is not an unprimeable number, because it can be changed into a prime (13418835221003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3354708805249 + ... + 3354708805252.

Almost surely, 2^{13418835221002} is an apocalyptic number.

13418835221002 is a deficient number, since it is larger than the sum of its proper divisors (6709417610504).

13418835221002 is an equidigital number, since it uses as much as digits as its factorization.

13418835221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6709417610503.

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 13418835221002 in words is "thirteen trillion, four hundred eighteen billion, eight hundred thirty-five million, two hundred twenty-one thousand, two".