6141745621 has 4 divisors (see below), whose sum is σ = 6700086144. Its totient is φ = 5583405100.

The previous prime is 6141745613. The next prime is 6141745627. The reversal of 6141745621 is 1265471416.

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.

It is a cyclic number.

It is not a de Polignac number, because 6141745621 - 2³ = 6141745613 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 (6141745627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279170245 + ... + 279170266.

It is an arithmetic number, because the mean of its divisors is an integer number (1675021536).

Almost surely, 2^6141745621 is an apocalyptic number.

It is an amenable number.

6141745621 is a deficient number, since it is larger than the sum of its proper divisors (558340523).

6141745621 is a wasteful number, since it uses less digits than its factorization.

6141745621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558340522.

The product of its digits is 40320, while the sum is 37.

The square root of 6141745621 is about 78369.2900376161. The cubic root of 6141745621 is about 1831.3187485503.

The spelling of 6141745621 in words is "six billion, one hundred forty-one million, seven hundred forty-five thousand, six hundred twenty-one".