13896851536 has 10 divisors (see below), whose sum is σ = 26925149882. Its totient is φ = 6948425760.

The previous prime is 13896851491. The next prime is 13896851539. The reversal of 13896851536 is 63515869831.

It can be written as a sum of positive squares in only one way, i.e., 13041640000 + 855211536 = 114200^2 + 29244^2 .

It is a super-2 number, since 2×13896851536² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13896851539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434276595 + ... + 434276626.

Almost surely, 2^13896851536 is an apocalyptic number.

13896851536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13896851536 is a deficient number, since it is larger than the sum of its proper divisors (13028298346).

13896851536 is an equidigital number, since it uses as much as digits as its factorization.

13896851536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868553229 (or 868553223 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 55.

The spelling of 13896851536 in words is "thirteen billion, eight hundred ninety-six million, eight hundred fifty-one thousand, five hundred thirty-six".