6148220621 has 16 divisors (see below), whose sum is σ = 6505196160. Its totient is φ = 5794675200.

The previous prime is 6148220599. The next prime is 6148220627. The reversal of 6148220621 is 1260228416.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6148220621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6148220627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3709625 + ... + 3711281.

It is an arithmetic number, because the mean of its divisors is an integer number (406574760).

Almost surely, 2^6148220621 is an apocalyptic number.

It is an amenable number.

6148220621 is a deficient number, since it is larger than the sum of its proper divisors (356975539).

6148220621 is a wasteful number, since it uses less digits than its factorization.

6148220621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2564.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 6148220621 is about 78410.5899799255. The cubic root of 6148220621 is about 1831.9620848806.

The spelling of 6148220621 in words is "six billion, one hundred forty-eight million, two hundred twenty thousand, six hundred twenty-one".