7990118141 has 2 divisors, whose sum is σ = 7990118142. Its totient is φ = 7990118140.

The previous prime is 7990118131. The next prime is 7990118177. The reversal of 7990118141 is 1418110997.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7366617241 + 623500900 = 85829^2 + 24970^2 .

It is a cyclic number.

It is not a de Polignac number, because 7990118141 - 2¹⁸ = 7989855997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7990118131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3995059070 + 3995059071.

It is an arithmetic number, because the mean of its divisors is an integer number (3995059071).

Almost surely, 2^7990118141 is an apocalyptic number.

It is an amenable number.

7990118141 is a deficient number, since it is larger than the sum of its proper divisors (1).

7990118141 is an equidigital number, since it uses as much as digits as its factorization.

7990118141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 41.

The square root of 7990118141 is about 89387.4607593257. The cubic root of 7990118141 is about 1999.1761724507.

The spelling of 7990118141 in words is "seven billion, nine hundred ninety million, one hundred eighteen thousand, one hundred forty-one".