3401213861 has 2 divisors, whose sum is σ = 3401213862. Its totient is φ = 3401213860.

The previous prime is 3401213857. The next prime is 3401214023. The reversal of 3401213861 is 1683121043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2274336100 + 1126877761 = 47690^2 + 33569^2 .

It is a cyclic number.

It is not a de Polignac number, because 3401213861 - 2² = 3401213857 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3401243861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700606930 + 1700606931.

It is an arithmetic number, because the mean of its divisors is an integer number (1700606931).

Almost surely, 2^3401213861 is an apocalyptic number.

It is an amenable number.

3401213861 is a deficient number, since it is larger than the sum of its proper divisors (1).

3401213861 is an equidigital number, since it uses as much as digits as its factorization.

3401213861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 3401213861 is about 58319.9267917922. The cubic root of 3401213861 is about 1503.8735235629.

The spelling of 3401213861 in words is "three billion, four hundred one million, two hundred thirteen thousand, eight hundred sixty-one".