4998951157 has 2 divisors, whose sum is σ = 4998951158. Its totient is φ = 4998951156.

The previous prime is 4998951151. The next prime is 4998951179. The reversal of 4998951157 is 7511598994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3181975281 + 1816975876 = 56409^2 + 42626^2 .

It is a cyclic number.

It is not a de Polignac number, because 4998951157 - 2⁷ = 4998951029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4998951151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2499475578 + 2499475579.

It is an arithmetic number, because the mean of its divisors is an integer number (2499475579).

Almost surely, 2^4998951157 is an apocalyptic number.

It is an amenable number.

4998951157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4998951157 is an equidigital number, since it uses as much as digits as its factorization.

4998951157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4082400, while the sum is 58.

The square root of 4998951157 is about 70703.2612897029. The cubic root of 4998951157 is about 1709.8563718952.

The spelling of 4998951157 in words is "four billion, nine hundred ninety-eight million, nine hundred fifty-one thousand, one hundred fifty-seven".