13457533506 has 64 divisors (see below), whose sum is σ = 28840945536. Its totient is φ = 4171392000.

The previous prime is 13457533501. The next prime is 13457533517. The reversal of 13457533506 is 60533575431.

It is a super-3 number, since 3×13457533506³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (13457533501) 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, 6314061 + ... + 6316191.

It is an arithmetic number, because the mean of its divisors is an integer number (450639774).

Almost surely, 2^13457533506 is an apocalyptic number.

13457533506 is an abundant number, since it is smaller than the sum of its proper divisors (15383412030).

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

13457533506 is a wasteful number, since it uses less digits than its factorization.

13457533506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867.

The product of its (nonzero) digits is 567000, while the sum is 42.

The spelling of 13457533506 in words is "thirteen billion, four hundred fifty-seven million, five hundred thirty-three thousand, five hundred six".