7842830638151 has 2 divisors, whose sum is σ = 7842830638152. Its totient is φ = 7842830638150.

The previous prime is 7842830638129. The next prime is 7842830638169. The reversal of 7842830638151 is 1518360382487.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7842830638151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7842830638451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3921415319075 + 3921415319076.

It is an arithmetic number, because the mean of its divisors is an integer number (3921415319076).

Almost surely, 2^{7842830638151} is an apocalyptic number.

7842830638151 is a deficient number, since it is larger than the sum of its proper divisors (1).

7842830638151 is an equidigital number, since it uses as much as digits as its factorization.

7842830638151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 7842830638151 in words is "seven trillion, eight hundred forty-two billion, eight hundred thirty million, six hundred thirty-eight thousand, one hundred fifty-one".