4257076069 has 2 divisors, whose sum is σ = 4257076070. Its totient is φ = 4257076068.

The previous prime is 4257076013. The next prime is 4257076073. The reversal of 4257076069 is 9606707524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4216943844 + 40132225 = 64938^2 + 6335^2 .

It is a cyclic number.

It is not a de Polignac number, because 4257076069 - 2²³ = 4248687461 is a prime.

It is a super-2 number, since 2×4257076069² = 36245393314504985522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4257076099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2128538034 + 2128538035.

It is an arithmetic number, because the mean of its divisors is an integer number (2128538035).

Almost surely, 2^4257076069 is an apocalyptic number.

It is an amenable number.

4257076069 is a deficient number, since it is larger than the sum of its proper divisors (1).

4257076069 is an equidigital number, since it uses as much as digits as its factorization.

4257076069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 635040, while the sum is 46.

The square root of 4257076069 is about 65246.2724529149. The cubic root of 4257076069 is about 1620.7043714645.

The spelling of 4257076069 in words is "four billion, two hundred fifty-seven million, seventy-six thousand, sixty-nine".