4189621268532 has 72 divisors (see below), whose sum is σ = 11372106990720. Its totient is φ = 1197005402880.

The previous prime is 4189621268519. The next prime is 4189621268543. The reversal of 4189621268532 is 2358621269814.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38641557 + ... + 38749827.

Almost surely, 2^{4189621268532} is an apocalyptic number.

4189621268532 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4189621268532 is an abundant number, since it is smaller than the sum of its proper divisors (7182485722188).

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

4189621268532 is a wasteful number, since it uses less digits than its factorization.

4189621268532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174101 (or 174092 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 57.

The spelling of 4189621268532 in words is "four trillion, one hundred eighty-nine billion, six hundred twenty-one million, two hundred sixty-eight thousand, five hundred thirty-two".