3235980047689 has 9 divisors (see below), whose sum is σ = 3285121481607. Its totient is φ = 3187563111744.

The previous prime is 3235980047563. The next prime is 3235980047693. The reversal of 3235980047689 is 9867400895323.

The square root of 3235980047689 is 1798883.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 886013686089 + 2349966361600 = 941283^2 + 1532960^2 .

It is not a de Polignac number, because 3235980047689 - 2⁷ = 3235980047561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3235980047689.

It is not an unprimeable number, because it can be changed into a prime (3235980047089) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 120511737 + ... + 120538585.

Almost surely, 2^{3235980047689} is an apocalyptic number.

3235980047689 is the 1798883-rd square number.

3235980047689 is the 899442-nd centered octagonal number.

It is an amenable number.

3235980047689 is a deficient number, since it is larger than the sum of its proper divisors (49141433918).

3235980047689 is an frugal number, since it uses more digits than its factorization.

3235980047689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53832 (or 26916 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 64.

Multiplying 3235980047689 by its sum of digits (64), we get a square (207102723052096 = 14391064²).

The spelling of 3235980047689 in words is "three trillion, two hundred thirty-five billion, nine hundred eighty million, forty-seven thousand, six hundred eighty-nine".