13263344103435 has 32 divisors (see below), whose sum is σ = 21240731381760. Its totient is φ = 7067324304768.

The previous prime is 13263344103433. The next prime is 13263344103509. The reversal of 13263344103435 is 53430144336231.

It is not a de Polignac number, because 13263344103435 - 2¹ = 13263344103433 is a prime.

It is a super-2 number, since 2×13263344103435² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13263344103433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264148102 + ... + 264198308.

It is an arithmetic number, because the mean of its divisors is an integer number (663772855680).

Almost surely, 2^{13263344103435} is an apocalyptic number.

13263344103435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13263344103435 is a deficient number, since it is larger than the sum of its proper divisors (7977387278325).

13263344103435 is a wasteful number, since it uses less digits than its factorization.

13263344103435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65947.

The product of its (nonzero) digits is 933120, while the sum is 42.

Adding to 13263344103435 its reverse (53430144336231), we get a palindrome (66693488439666).

The spelling of 13263344103435 in words is "thirteen trillion, two hundred sixty-three billion, three hundred forty-four million, one hundred three thousand, four hundred thirty-five".