5621011913 has 16 divisors (see below), whose sum is σ = 6365217600. Its totient is φ = 4916882880.

The previous prime is 5621011873. The next prime is 5621011933. The reversal of 5621011913 is 3191101265.

It is a cyclic number.

It is not a de Polignac number, because 5621011913 - 2⁶ = 5621011849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5621011933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63398 + ... + 123536.

It is an arithmetic number, because the mean of its divisors is an integer number (397826100).

Almost surely, 2^5621011913 is an apocalyptic number.

It is an amenable number.

5621011913 is a deficient number, since it is larger than the sum of its proper divisors (744205687).

5621011913 is a wasteful number, since it uses less digits than its factorization.

5621011913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60472.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 5621011913 is about 74973.4080391174. The cubic root of 5621011913 is about 1778.0262506547.

The spelling of 5621011913 in words is "five billion, six hundred twenty-one million, eleven thousand, nine hundred thirteen".