4938262157 has 2 divisors, whose sum is σ = 4938262158. Its totient is φ = 4938262156.

The previous prime is 4938262139. The next prime is 4938262163. The reversal of 4938262157 is 7512628394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4871202436 + 67059721 = 69794^2 + 8189^2 .

It is a cyclic number.

It is not a de Polignac number, because 4938262157 - 2⁶ = 4938262093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4938262057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2469131078 + 2469131079.

It is an arithmetic number, because the mean of its divisors is an integer number (2469131079).

Almost surely, 2^4938262157 is an apocalyptic number.

It is an amenable number.

4938262157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4938262157 is an equidigital number, since it uses as much as digits as its factorization.

4938262157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 47.

The square root of 4938262157 is about 70272.7696693392. The cubic root of 4938262157 is about 1702.9087637561.

The spelling of 4938262157 in words is "four billion, nine hundred thirty-eight million, two hundred sixty-two thousand, one hundred fifty-seven".