4321421363427 has 24 divisors (see below), whose sum is σ = 6702781203216. Its totient is φ = 2469321566208.

The previous prime is 4321421363423. The next prime is 4321421363461. The reversal of 4321421363427 is 7243631241234.

It is not a de Polignac number, because 4321421363427 - 2² = 4321421363423 is a prime.

It is a super-2 number, since 2×4321421363427² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4321421363423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5854003 + ... + 6550739.

It is an arithmetic number, because the mean of its divisors is an integer number (279282550134).

Almost surely, 2^{4321421363427} is an apocalyptic number.

4321421363427 is a deficient number, since it is larger than the sum of its proper divisors (2381359839789).

4321421363427 is a wasteful number, since it uses less digits than its factorization.

4321421363427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738947 (or 738940 counting only the distinct ones).

The product of its digits is 580608, while the sum is 42.

The spelling of 4321421363427 in words is "four trillion, three hundred twenty-one billion, four hundred twenty-one million, three hundred sixty-three thousand, four hundred twenty-seven".