4257969919 has 4 divisors (see below), whose sum is σ = 4866251344. Its totient is φ = 3649688496.

The previous prime is 4257969913. The next prime is 4257969931. The reversal of 4257969919 is 9199697524.

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

It is a cyclic number.

It is not a de Polignac number, because 4257969919 - 2¹³ = 4257961727 is a prime.

It is a super-2 number, since 2×4257969919² = 36260615662217733122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4257969913) 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, 304140702 + ... + 304140715.

It is an arithmetic number, because the mean of its divisors is an integer number (1216562836).

Almost surely, 2^4257969919 is an apocalyptic number.

4257969919 is a deficient number, since it is larger than the sum of its proper divisors (608281425).

4257969919 is an equidigital number, since it uses as much as digits as its factorization.

4257969919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608281424.

The product of its digits is 11022480, while the sum is 61.

The square root of 4257969919 is about 65253.1219099899. The cubic root of 4257969919 is about 1620.8177955768.

The spelling of 4257969919 in words is "four billion, two hundred fifty-seven million, nine hundred sixty-nine thousand, nine hundred nineteen".