18345202700413 has 8 divisors (see below), whose sum is σ = 18647178555008. Its totient is φ = 18044596351584.

The previous prime is 18345202700369. The next prime is 18345202700509. The reversal of 18345202700413 is 31400720254381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18345202700413 - 2¹⁷ = 18345202569341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18345202700113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342349431 + ... + 342403012.

It is an arithmetic number, because the mean of its divisors is an integer number (2330897319376).

Almost surely, 2^{18345202700413} is an apocalyptic number.

It is an amenable number.

18345202700413 is a deficient number, since it is larger than the sum of its proper divisors (301975854595).

18345202700413 is an equidigital number, since it uses as much as digits as its factorization.

18345202700413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684752883.

The product of its (nonzero) digits is 161280, while the sum is 40.

Adding to 18345202700413 its reverse (31400720254381), we get a palindrome (49745922954794).

The spelling of 18345202700413 in words is "eighteen trillion, three hundred forty-five billion, two hundred two million, seven hundred thousand, four hundred thirteen".