427330145421 has 8 divisors (see below), whose sum is σ = 633081696960. Its totient is φ = 284886763596.

The previous prime is 427330145419. The next prime is 427330145423. The reversal of 427330145421 is 124541033724.

427330145421 is a `hidden beast` number, since 4 + 2 + 73 + 30 + 14 + 542 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (427330145419) and next prime (427330145423).

It is not a de Polignac number, because 427330145421 - 2¹ = 427330145419 is a prime.

It is a super-2 number, since 2×427330145421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427330145423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7913521185 + ... + 7913521238.

It is an arithmetic number, because the mean of its divisors is an integer number (79135212120).

Almost surely, 2^427330145421 is an apocalyptic number.

It is an amenable number.

427330145421 is a deficient number, since it is larger than the sum of its proper divisors (205751551539).

427330145421 is a wasteful number, since it uses less digits than its factorization.

427330145421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15827042432 (or 15827042426 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 427330145421 in words is "four hundred twenty-seven billion, three hundred thirty million, one hundred forty-five thousand, four hundred twenty-one".