3244389885961 has 81 divisors (see below), whose sum is σ = 4134116463399. Its totient is φ = 2538248995296.

The previous prime is 3244389885941. The next prime is 3244389885991. The reversal of 3244389885961 is 1695889834423.

The square root of 3244389885961 is 1801219.

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., 1701279357561 + 1543110528400 = 1304331^2 + 1242220^2 .

It is not a de Polignac number, because 3244389885961 - 2¹³ = 3244389877769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3244389885941) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 6947301450 + ... + 6947301916.

Almost surely, 2^{3244389885961} is an apocalyptic number.

3244389885961 is the 1801219-th square number.

3244389885961 is the 900610-th centered octagonal number.

It is an amenable number.

3244389885961 is a deficient number, since it is larger than the sum of its proper divisors (889726577438).

3244389885961 is an frugal number, since it uses more digits than its factorization.

3244389885961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044 (or 522 counting only the distinct ones).

The product of its digits is 358318080, while the sum is 70.

The spelling of 3244389885961 in words is "three trillion, two hundred forty-four billion, three hundred eighty-nine million, eight hundred eighty-five thousand, nine hundred sixty-one".