7420211129 has 2 divisors, whose sum is σ = 7420211130. Its totient is φ = 7420211128.

The previous prime is 7420211083. The next prime is 7420211147. The reversal of 7420211129 is 9211120247.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5365855504 + 2054355625 = 73252^2 + 45325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7420211129 is a prime.

It is not a weakly prime, because it can be changed into another prime (7420211159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710105564 + 3710105565.

It is an arithmetic number, because the mean of its divisors is an integer number (3710105565).

Almost surely, 2^7420211129 is an apocalyptic number.

It is an amenable number.

7420211129 is a deficient number, since it is larger than the sum of its proper divisors (1).

7420211129 is an equidigital number, since it uses as much as digits as its factorization.

7420211129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 7420211129 is about 86140.6473681270. The cubic root of 7420211129 is about 1950.4676615788.

The spelling of 7420211129 in words is "seven billion, four hundred twenty million, two hundred eleven thousand, one hundred twenty-nine".