4122864819 has 8 divisors (see below), whose sum is σ = 6107947920. Its totient is φ = 2748576528.

The previous prime is 4122864791. The next prime is 4122864827. The reversal of 4122864819 is 9184682214.

It is not a de Polignac number, because 4122864819 - 2¹¹ = 4122862771 is a prime.

It is a super-2 number, since 2×4122864819² = 33996028631495805522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4122864919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76349322 + ... + 76349375.

It is an arithmetic number, because the mean of its divisors is an integer number (763493490).

Almost surely, 2^4122864819 is an apocalyptic number.

4122864819 is a deficient number, since it is larger than the sum of its proper divisors (1985083101).

4122864819 is a wasteful number, since it uses less digits than its factorization.

4122864819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152698706 (or 152698700 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 4122864819 is about 64209.5383802126. The cubic root of 4122864819 is about 1603.4904034478.

The spelling of 4122864819 in words is "four billion, one hundred twenty-two million, eight hundred sixty-four thousand, eight hundred nineteen".