3391380261 has 12 divisors (see below), whose sum is σ = 4905578860. Its totient is φ = 2257727040.

The previous prime is 3391380257. The next prime is 3391380277. The reversal of 3391380261 is 1620831933.

3391380261 is a `hidden beast` number, since 3 + 391 + 3 + 8 + 0 + 261 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 118396161 + 3272984100 = 10881^2 + 57210^2 .

It is not a de Polignac number, because 3391380261 - 2² = 3391380257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3391380961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 259360 + ... + 272121.

Almost surely, 2^3391380261 is an apocalyptic number.

It is an amenable number.

3391380261 is a deficient number, since it is larger than the sum of its proper divisors (1514198599).

3391380261 is a wasteful number, since it uses less digits than its factorization.

3391380261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532196 (or 532193 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 3391380261 is about 58235.5583900421. The cubic root of 3391380261 is about 1502.4227899523.

The spelling of 3391380261 in words is "three billion, three hundred ninety-one million, three hundred eighty thousand, two hundred sixty-one".