7140422647 has 2 divisors, whose sum is σ = 7140422648. Its totient is φ = 7140422646.

The previous prime is 7140422629. The next prime is 7140422651. The reversal of 7140422647 is 7462240417.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7140422647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7140426647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3570211323 + 3570211324.

It is an arithmetic number, because the mean of its divisors is an integer number (3570211324).

Almost surely, 2^7140422647 is an apocalyptic number.

7140422647 is a deficient number, since it is larger than the sum of its proper divisors (1).

7140422647 is an equidigital number, since it uses as much as digits as its factorization.

7140422647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 7140422647 is about 84501.0215737064. The cubic root of 7140422647 is about 1925.6379644750.

The spelling of 7140422647 in words is "seven billion, one hundred forty million, four hundred twenty-two thousand, six hundred forty-seven".