3814432421 has 4 divisors (see below), whose sum is σ = 3814685952. Its totient is φ = 3814178892.

The previous prime is 3814432393. The next prime is 3814432459. The reversal of 3814432421 is 1242344183.

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 a de Polignac number, because none of the positive numbers 2^k-3814432421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3814432021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102671 + ... + 134796.

It is an arithmetic number, because the mean of its divisors is an integer number (953671488).

Almost surely, 2^3814432421 is an apocalyptic number.

It is an amenable number.

3814432421 is a deficient number, since it is larger than the sum of its proper divisors (253531).

3814432421 is a wasteful number, since it uses less digits than its factorization.

3814432421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253530.

The product of its digits is 18432, while the sum is 32.

The square root of 3814432421 is about 61761.0914816116. The cubic root of 3814432421 is about 1562.4638390437.

The spelling of 3814432421 in words is "three billion, eight hundred fourteen million, four hundred thirty-two thousand, four hundred twenty-one".