4172961536 has 72 divisors (see below), whose sum is σ = 8499638784. Its totient is φ = 2044247040.

The previous prime is 4172961517. The next prime is 4172961539. The reversal of 4172961536 is 6351692714.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4172961539) 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, 3824351 + ... + 3825441.

Almost surely, 2^4172961536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4172961536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4249819392).

4172961536 is an abundant number, since it is smaller than the sum of its proper divisors (4326677248).

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

4172961536 is a wasteful number, since it uses less digits than its factorization.

4172961536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397 (or 1383 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 4172961536 is about 64598.4638826652. The cubic root of 4172961536 is about 1609.9589172033.

The spelling of 4172961536 in words is "four billion, one hundred seventy-two million, nine hundred sixty-one thousand, five hundred thirty-six".