13506235464 has 64 divisors (see below), whose sum is σ = 34525440000. Its totient is φ = 4400995904.

The previous prime is 13506235459. The next prime is 13506235469. The reversal of 13506235464 is 46453260531.

It is an interprime number because it is at equal distance from previous prime (13506235459) and next prime (13506235469).

It is a super-2 number, since 2×13506235464² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13506235469) 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, 993787 + ... + 1007285.

It is an arithmetic number, because the mean of its divisors is an integer number (539460000).

Almost surely, 2^13506235464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13506235464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17262720000).

13506235464 is an abundant number, since it is smaller than the sum of its proper divisors (21019204536).

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

13506235464 is a wasteful number, since it uses less digits than its factorization.

13506235464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14442 (or 14438 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 13506235464 its reverse (46453260531), we get a palindrome (59959495995).

The spelling of 13506235464 in words is "thirteen billion, five hundred six million, two hundred thirty-five thousand, four hundred sixty-four".