7541634643 has 8 divisors (see below), whose sum is σ = 7802877600. Its totient is φ = 7280470848.

The previous prime is 7541634589. The next prime is 7541634719. The reversal of 7541634643 is 3464361457.

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 7541634643 - 2⁹ = 7541634131 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7541634643.

It is not an unprimeable number, because it can be changed into a prime (7541634743) 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, 225930 + ... + 257152.

It is an arithmetic number, because the mean of its divisors is an integer number (975359700).

Almost surely, 2^7541634643 is an apocalyptic number.

7541634643 is a deficient number, since it is larger than the sum of its proper divisors (261242957).

7541634643 is a wasteful number, since it uses less digits than its factorization.

7541634643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39581.

The product of its digits is 725760, while the sum is 43.

The square root of 7541634643 is about 86842.5854232818. The cubic root of 7541634643 is about 1961.0492302380.

The spelling of 7541634643 in words is "seven billion, five hundred forty-one million, six hundred thirty-four thousand, six hundred forty-three".