3421620513 has 12 divisors (see below), whose sum is σ = 4942903680. Its totient is φ = 2280820536.

The previous prime is 3421620487. The next prime is 3421620541. The reversal of 3421620513 is 3150261243.

3421620513 is a `hidden beast` number, since 3 + 4 + 21 + 620 + 5 + 13 = 666.

3421620513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3421620513 - 2¹⁴ = 3421604129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3421627513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94620 + ... + 125682.

It is an arithmetic number, because the mean of its divisors is an integer number (411908640).

Almost surely, 2^3421620513 is an apocalyptic number.

It is an amenable number.

3421620513 is a deficient number, since it is larger than the sum of its proper divisors (1521283167).

3421620513 is a wasteful number, since it uses less digits than its factorization.

3421620513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43308 (or 43305 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 3421620513 is about 58494.6195217988. The cubic root of 3421620513 is about 1506.8751824329.

Adding to 3421620513 its reverse (3150261243), we get a palindrome (6571881756).

The spelling of 3421620513 in words is "three billion, four hundred twenty-one million, six hundred twenty thousand, five hundred thirteen".