3461155421 has 2 divisors, whose sum is σ = 3461155422. Its totient is φ = 3461155420.

The previous prime is 3461155403. The next prime is 3461155427. The reversal of 3461155421 is 1245511643.

3461155421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2569476100 + 891679321 = 50690^2 + 29861^2 .

It is an emirp because it is prime and its reverse (1245511643) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3461155421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3461155427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1730577710 + 1730577711.

It is an arithmetic number, because the mean of its divisors is an integer number (1730577711).

Almost surely, 2^3461155421 is an apocalyptic number.

It is an amenable number.

3461155421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3461155421 is an equidigital number, since it uses as much as digits as its factorization.

3461155421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 32.

The square root of 3461155421 is about 58831.5852327642. The cubic root of 3461155421 is about 1512.6566714833.

The spelling of 3461155421 in words is "three billion, four hundred sixty-one million, one hundred fifty-five thousand, four hundred twenty-one".