3261709401 has 16 divisors (see below), whose sum is σ = 4452096000. Its totient is φ = 2122943760.

The previous prime is 3261709397. The next prime is 3261709421. The reversal of 3261709401 is 1049071623.

3261709401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3261709401 - 2² = 3261709397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3261709421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382656 + ... + 391086.

It is an arithmetic number, because the mean of its divisors is an integer number (278256000).

Almost surely, 2^3261709401 is an apocalyptic number.

It is an amenable number.

3261709401 is a deficient number, since it is larger than the sum of its proper divisors (1190386599).

3261709401 is a wasteful number, since it uses less digits than its factorization.

3261709401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11476.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 3261709401 is about 57111.3771590215. The cubic root of 3261709401 is about 1483.0248279114.

The spelling of 3261709401 in words is "three billion, two hundred sixty-one million, seven hundred nine thousand, four hundred one".