3401209961 has 2 divisors, whose sum is σ = 3401209962. Its totient is φ = 3401209960.

The previous prime is 3401209951. The next prime is 3401210003. The reversal of 3401209961 is 1699021043.

3401209961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2851026025 + 550183936 = 53395^2 + 23456^2 .

It is a cyclic number.

It is not a de Polignac number, because 3401209961 - 2¹⁴ = 3401193577 is a prime.

It is not a weakly prime, because it can be changed into another prime (3401209901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700604980 + 1700604981.

It is an arithmetic number, because the mean of its divisors is an integer number (1700604981).

Almost surely, 2^3401209961 is an apocalyptic number.

It is an amenable number.

3401209961 is a deficient number, since it is larger than the sum of its proper divisors (1).

3401209961 is an equidigital number, since it uses as much as digits as its factorization.

3401209961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 3401209961 is about 58319.8933555266. The cubic root of 3401209961 is about 1503.8729487574.

The spelling of 3401209961 in words is "three billion, four hundred one million, two hundred nine thousand, nine hundred sixty-one".