7642133227 has 2 divisors, whose sum is σ = 7642133228. Its totient is φ = 7642133226.

The previous prime is 7642133221. The next prime is 7642133231. The reversal of 7642133227 is 7223312467.

7642133227 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7642133227 is a prime.

It is not a weakly prime, because it can be changed into another prime (7642133221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3821066613 + 3821066614.

It is an arithmetic number, because the mean of its divisors is an integer number (3821066614).

Almost surely, 2^7642133227 is an apocalyptic number.

7642133227 is a deficient number, since it is larger than the sum of its proper divisors (1).

7642133227 is an equidigital number, since it uses as much as digits as its factorization.

7642133227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 37.

The square root of 7642133227 is about 87419.2955073421. The cubic root of 7642133227 is about 1969.7216942176.

The spelling of 7642133227 in words is "seven billion, six hundred forty-two million, one hundred thirty-three thousand, two hundred twenty-seven".