7421105641 has 8 divisors (see below), whose sum is σ = 7744970304. Its totient is φ = 7097341680.

The previous prime is 7421105603. The next prime is 7421105647. The reversal of 7421105641 is 1465011247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7421105641 - 2⁹ = 7421105129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7421105647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152050 + ... + 194836.

It is an arithmetic number, because the mean of its divisors is an integer number (968121288).

Almost surely, 2^7421105641 is an apocalyptic number.

It is an amenable number.

7421105641 is a deficient number, since it is larger than the sum of its proper divisors (323864663).

7421105641 is a wasteful number, since it uses less digits than its factorization.

7421105641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50351.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 7421105641 is about 86145.8393713823. The cubic root of 7421105641 is about 1950.5460352079.

Adding to 7421105641 its reverse (1465011247), we get a palindrome (8886116888).

The spelling of 7421105641 in words is "seven billion, four hundred twenty-one million, one hundred five thousand, six hundred forty-one".