3491704121 has 2 divisors, whose sum is σ = 3491704122. Its totient is φ = 3491704120.

The previous prime is 3491704057. The next prime is 3491704141. The reversal of 3491704121 is 1214071943.

3491704121 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., 2762974096 + 728730025 = 52564^2 + 26995^2 .

It is a cyclic number.

It is not a de Polignac number, because 3491704121 - 2⁶ = 3491704057 is a prime.

It is not a weakly prime, because it can be changed into another prime (3491704141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1745852060 + 1745852061.

It is an arithmetic number, because the mean of its divisors is an integer number (1745852061).

Almost surely, 2^3491704121 is an apocalyptic number.

It is an amenable number.

3491704121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3491704121 is an equidigital number, since it uses as much as digits as its factorization.

3491704121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 3491704121 is about 59090.6432610105. The cubic root of 3491704121 is about 1517.0939571726.

The spelling of 3491704121 in words is "three billion, four hundred ninety-one million, seven hundred four thousand, one hundred twenty-one".