13277473536 has 72 divisors (see below), whose sum is σ = 35371052080. Its totient is φ = 4421615616.

The previous prime is 13277473529. The next prime is 13277473541. The reversal of 13277473536 is 63537477231.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859416 + ... + 874728.

Almost surely, 2^13277473536 is an apocalyptic number.

13277473536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13277473536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17685526040).

13277473536 is an abundant number, since it is smaller than the sum of its proper divisors (22093578544).

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

13277473536 is a wasteful number, since it uses less digits than its factorization.

13277473536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16461 (or 16447 counting only the distinct ones).

The product of its digits is 2222640, while the sum is 48.

The spelling of 13277473536 in words is "thirteen billion, two hundred seventy-seven million, four hundred seventy-three thousand, five hundred thirty-six".