5642751611 has 4 divisors (see below), whose sum is σ = 6448858992. Its totient is φ = 4836644232.

The previous prime is 5642751599. The next prime is 5642751643. The reversal of 5642751611 is 1161572465.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-5642751611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5642751661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403053680 + ... + 403053693.

It is an arithmetic number, because the mean of its divisors is an integer number (1612214748).

Almost surely, 2^5642751611 is an apocalyptic number.

5642751611 is a deficient number, since it is larger than the sum of its proper divisors (806107381).

5642751611 is an equidigital number, since it uses as much as digits as its factorization.

5642751611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806107380.

The product of its digits is 50400, while the sum is 38.

The square root of 5642751611 is about 75118.2508515740. The cubic root of 5642751611 is about 1780.3155198583.

The spelling of 5642751611 in words is "five billion, six hundred forty-two million, seven hundred fifty-one thousand, six hundred eleven".