3430451521 has 4 divisors (see below), whose sum is σ = 3920516032. Its totient is φ = 2940387012.

The previous prime is 3430451491. The next prime is 3430451527. The reversal of 3430451521 is 1251540343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1251540343 = 2309 ⋅542027.

It is a cyclic number.

It is not a de Polignac number, because 3430451521 - 2⁹ = 3430451009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3430451521.

It is not an unprimeable number, because it can be changed into a prime (3430451527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245032245 + ... + 245032258.

It is an arithmetic number, because the mean of its divisors is an integer number (980129008).

Almost surely, 2^3430451521 is an apocalyptic number.

It is an amenable number.

3430451521 is a deficient number, since it is larger than the sum of its proper divisors (490064511).

3430451521 is an equidigital number, since it uses as much as digits as its factorization.

3430451521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490064510.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 3430451521 is about 58570.0565220830. The cubic root of 3430451521 is about 1508.1704551192.

Adding to 3430451521 its reverse (1251540343), we get a palindrome (4681991864).

The spelling of 3430451521 in words is "three billion, four hundred thirty million, four hundred fifty-one thousand, five hundred twenty-one".