13620343011 has 16 divisors (see below), whose sum is σ = 19820091648. Its totient is φ = 8251135200.

The previous prime is 13620342941. The next prime is 13620343013. The reversal of 13620343011 is 11034302631.

It is a happy number.

It is not a de Polignac number, because 13620343011 - 2⁹ = 13620342499 is a prime.

It is a super-2 number, since 2×13620343011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13620343013) 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, 13036 + ... + 165561.

It is an arithmetic number, because the mean of its divisors is an integer number (1238755728).

Almost surely, 2^13620343011 is an apocalyptic number.

13620343011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13620343011 is a deficient number, since it is larger than the sum of its proper divisors (6199748637).

13620343011 is a wasteful number, since it uses less digits than its factorization.

13620343011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180922.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13620343011 its reverse (11034302631), we get a palindrome (24654645642).

The spelling of 13620343011 in words is "thirteen billion, six hundred twenty million, three hundred forty-three thousand, eleven".