3261380773 has 16 divisors (see below), whose sum is σ = 3786704896. Its totient is φ = 2751246000.

The previous prime is 3261380747. The next prime is 3261380783. The reversal of 3261380773 is 3770831623.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3261380773 - 2⁵ = 3261380741 is a prime.

It is the 57109-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261380783) by changing a digit.

It is a nontrivial repunit in base 57108.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103648 + ... + 131398.

It is an arithmetic number, because the mean of its divisors is an integer number (236669056).

Almost surely, 2^3261380773 is an apocalyptic number.

It is an amenable number.

3261380773 is a deficient number, since it is larger than the sum of its proper divisors (525324123).

3261380773 is a wasteful number, since it uses less digits than its factorization.

3261380773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28024.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 3261380773 is about 57108.5000065664. The cubic root of 3261380773 is about 1482.9750196880.

The spelling of 3261380773 in words is "three billion, two hundred sixty-one million, three hundred eighty thousand, seven hundred seventy-three".