7140622109 has 2 divisors, whose sum is σ = 7140622110. Its totient is φ = 7140622108.

The previous prime is 7140622103. The next prime is 7140622127. The reversal of 7140622109 is 9012260417.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4489402009 + 2651220100 = 67003^2 + 51490^2 .

It is a cyclic number.

It is not a de Polignac number, because 7140622109 - 2⁸ = 7140621853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7140622103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3570311054 + 3570311055.

It is an arithmetic number, because the mean of its divisors is an integer number (3570311055).

Almost surely, 2^7140622109 is an apocalyptic number.

It is an amenable number.

7140622109 is a deficient number, since it is larger than the sum of its proper divisors (1).

7140622109 is an equidigital number, since it uses as much as digits as its factorization.

7140622109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 7140622109 is about 84502.2017997164. The cubic root of 7140622109 is about 1925.6558946939.

The spelling of 7140622109 in words is "seven billion, one hundred forty million, six hundred twenty-two thousand, one hundred nine".