4011087421 has 4 divisors (see below), whose sum is σ = 4375731744. Its totient is φ = 3646443100.

The previous prime is 4011087407. The next prime is 4011087463. The reversal of 4011087421 is 1247801104.

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 a cyclic number.

It is not a de Polignac number, because 4011087421 - 2¹¹ = 4011085373 is a prime.

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 4011087421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4011087401) 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, 182322145 + ... + 182322166.

It is an arithmetic number, because the mean of its divisors is an integer number (1093932936).

Almost surely, 2^4011087421 is an apocalyptic number.

It is an amenable number.

4011087421 is a deficient number, since it is larger than the sum of its proper divisors (364644323).

4011087421 is a wasteful number, since it uses less digits than its factorization.

4011087421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364644322.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 4011087421 is about 63333.1463058642. The cubic root of 4011087421 is about 1588.8663808877.

Adding to 4011087421 its reverse (1247801104), we get a palindrome (5258888525).

The spelling of 4011087421 in words is "four billion, eleven million, eighty-seven thousand, four hundred twenty-one".