7238653157 has 2 divisors, whose sum is σ = 7238653158. Its totient is φ = 7238653156.

The previous prime is 7238653069. The next prime is 7238653241. The reversal of 7238653157 is 7513568327.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5468010916 + 1770642241 = 73946^2 + 42079^2 .

It is a cyclic number.

It is not a de Polignac number, because 7238653157 - 2¹⁴ = 7238636773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7238653757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3619326578 + 3619326579.

It is an arithmetic number, because the mean of its divisors is an integer number (3619326579).

Almost surely, 2^7238653157 is an apocalyptic number.

It is an amenable number.

7238653157 is a deficient number, since it is larger than the sum of its proper divisors (1).

7238653157 is an equidigital number, since it uses as much as digits as its factorization.

7238653157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 47.

The square root of 7238653157 is about 85080.2747821139. The cubic root of 7238653157 is about 1934.4280866721.

The spelling of 7238653157 in words is "seven billion, two hundred thirty-eight million, six hundred fifty-three thousand, one hundred fifty-seven".