4067438493 has 4 divisors (see below), whose sum is σ = 5423251328. Its totient is φ = 2711625660.

The previous prime is 4067438491. The next prime is 4067438539. The reversal of 4067438493 is 3948347604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4067438493 - 2¹ = 4067438491 is a prime.

It is a super-2 number, since 2×4067438493² = 33088111788676222098, 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 (4067438491) 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, 677906413 + ... + 677906418.

It is an arithmetic number, because the mean of its divisors is an integer number (1355812832).

Almost surely, 2^4067438493 is an apocalyptic number.

It is an amenable number.

4067438493 is a deficient number, since it is larger than the sum of its proper divisors (1355812835).

4067438493 is a wasteful number, since it uses less digits than its factorization.

4067438493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355812834.

The product of its (nonzero) digits is 1741824, while the sum is 48.

The square root of 4067438493 is about 63776.4728798951. The cubic root of 4067438493 is about 1596.2723760325.

The spelling of 4067438493 in words is "four billion, sixty-seven million, four hundred thirty-eight thousand, four hundred ninety-three".