7951992151 has 2 divisors, whose sum is σ = 7951992152. Its totient is φ = 7951992150.

The previous prime is 7951992149. The next prime is 7951992161. The reversal of 7951992151 is 1512991597.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7951992151 - 2¹ = 7951992149 is a prime.

Together with 7951992149, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 7951992095 and 7951992104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7951992161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3975996075 + 3975996076.

It is an arithmetic number, because the mean of its divisors is an integer number (3975996076).

Almost surely, 2^7951992151 is an apocalyptic number.

7951992151 is a deficient number, since it is larger than the sum of its proper divisors (1).

7951992151 is an equidigital number, since it uses as much as digits as its factorization.

7951992151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 255150, while the sum is 49.

The square root of 7951992151 is about 89173.9432289500. The cubic root of 7951992151 is about 1995.9913165132.

The spelling of 7951992151 in words is "seven billion, nine hundred fifty-one million, nine hundred ninety-two thousand, one hundred fifty-one".