3421851481 has 2 divisors, whose sum is σ = 3421851482. Its totient is φ = 3421851480.

The previous prime is 3421851449. The next prime is 3421851487. The reversal of 3421851481 is 1841581243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1934592256 + 1487259225 = 43984^2 + 38565^2 .

It is a cyclic number.

It is not a de Polignac number, because 3421851481 - 2⁵ = 3421851449 is a prime.

It is a super-2 number, since 2×3421851481² = 23418135116043786722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3421851481.

It is not a weakly prime, because it can be changed into another prime (3421851487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710925740 + 1710925741.

It is an arithmetic number, because the mean of its divisors is an integer number (1710925741).

Almost surely, 2^3421851481 is an apocalyptic number.

It is an amenable number.

3421851481 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421851481 is an equidigital number, since it uses as much as digits as its factorization.

3421851481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30720, while the sum is 37.

The square root of 3421851481 is about 58496.5937555342. The cubic root of 3421851481 is about 1506.9090876264.

The spelling of 3421851481 in words is "three billion, four hundred twenty-one million, eight hundred fifty-one thousand, four hundred eighty-one".