4988656157 has 2 divisors, whose sum is σ = 4988656158. Its totient is φ = 4988656156.

The previous prime is 4988656151. The next prime is 4988656159. The reversal of 4988656157 is 7516568894.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3733087801 + 1255568356 = 61099^2 + 35434^2 .

It is a cyclic number.

It is not a de Polignac number, because 4988656157 - 2⁸ = 4988655901 is a prime.

Together with 4988656159, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4988656096 and 4988656105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4988656151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2494328078 + 2494328079.

It is an arithmetic number, because the mean of its divisors is an integer number (2494328079).

Almost surely, 2^4988656157 is an apocalyptic number.

It is an amenable number.

4988656157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4988656157 is an equidigital number, since it uses as much as digits as its factorization.

4988656157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14515200, while the sum is 59.

The square root of 4988656157 is about 70630.4194876400. The cubic root of 4988656157 is about 1708.6817875553.

The spelling of 4988656157 in words is "four billion, nine hundred eighty-eight million, six hundred fifty-six thousand, one hundred fifty-seven".