6750624641 has 4 divisors (see below), whose sum is σ = 6831957552. Its totient is φ = 6669291732.

The previous prime is 6750624631. The next prime is 6750624649. The reversal of 6750624641 is 1464260576.

It is a happy number.

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 6750624641 - 2⁶ = 6750624577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6750624649) 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, 40666331 + ... + 40666496.

It is an arithmetic number, because the mean of its divisors is an integer number (1707989388).

Almost surely, 2^6750624641 is an apocalyptic number.

It is an amenable number.

6750624641 is a deficient number, since it is larger than the sum of its proper divisors (81332911).

6750624641 is an equidigital number, since it uses as much as digits as its factorization.

6750624641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81332910.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 6750624641 is about 82162.1849819003. The cubic root of 6750624641 is about 1889.9398692178.

The spelling of 6750624641 in words is "six billion, seven hundred fifty million, six hundred twenty-four thousand, six hundred forty-one".