4469021393 has 4 divisors (see below), whose sum is σ = 4474261428. Its totient is φ = 4463781360.

The previous prime is 4469021363. The next prime is 4469021399. The reversal of 4469021393 is 3931209644.

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 2514320449 + 1954700944 = 50143^2 + 44212^2 .

It is a cyclic number.

It is not a de Polignac number, because 4469021393 - 2¹² = 4469017297 is a prime.

It is a super-2 number, since 2×4469021393² = 39944304422183320898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4469021393.

It is not an unprimeable number, because it can be changed into a prime (4469021399) 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, 2618738 + ... + 2620443.

It is an arithmetic number, because the mean of its divisors is an integer number (1118565357).

Almost surely, 2^4469021393 is an apocalyptic number.

It is an amenable number.

4469021393 is a deficient number, since it is larger than the sum of its proper divisors (5240035).

4469021393 is an equidigital number, since it uses as much as digits as its factorization.

4469021393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5240034.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 4469021393 is about 66850.7396593336. The cubic root of 4469021393 is about 1647.1664121349.

The spelling of 4469021393 in words is "four billion, four hundred sixty-nine million, twenty-one thousand, three hundred ninety-three".