6536439015454 has 16 divisors (see below), whose sum is σ = 9879631977600. Its totient is φ = 3243229006680.

The previous prime is 6536439015451. The next prime is 6536439015473. The reversal of 6536439015454 is 4545109346356.

It is a super-2 number, since 2×6536439015454² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6536439015395 and 6536439015404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6536439015451) 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, 32435497 + ... + 32636395.

It is an arithmetic number, because the mean of its divisors is an integer number (617476998600).

Almost surely, 2^{6536439015454} is an apocalyptic number.

6536439015454 is a deficient number, since it is larger than the sum of its proper divisors (3343192962146).

6536439015454 is a wasteful number, since it uses less digits than its factorization.

6536439015454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325215.

The product of its (nonzero) digits is 23328000, while the sum is 55.

The spelling of 6536439015454 in words is "six trillion, five hundred thirty-six billion, four hundred thirty-nine million, fifteen thousand, four hundred fifty-four".