4992374257 has 4 divisors (see below), whose sum is σ = 5376403060. Its totient is φ = 4608345456.

The previous prime is 4992374251. The next prime is 4992374287. The reversal of 4992374257 is 7524732994.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 891380736 + 4100993521 = 29856^2 + 64039^2 .

It is not a de Polignac number, because 4992374257 - 2³ = 4992374249 is a prime.

It is a super-3 number, since 3×4992374257³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4992374251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192014382 + ... + 192014407.

It is an arithmetic number, because the mean of its divisors is an integer number (1344100765).

Almost surely, 2^4992374257 is an apocalyptic number.

It is an amenable number.

4992374257 is a deficient number, since it is larger than the sum of its proper divisors (384028803).

4992374257 is a wasteful number, since it uses less digits than its factorization.

4992374257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384028802.

The product of its digits is 3810240, while the sum is 52.

The square root of 4992374257 is about 70656.7353972712. The cubic root of 4992374257 is about 1709.1061818795.

The spelling of 4992374257 in words is "four billion, nine hundred ninety-two million, three hundred seventy-four thousand, two hundred fifty-seven".