424126065881 has 4 divisors (see below), whose sum is σ = 484715503872. Its totient is φ = 363536627892.

The previous prime is 424126065871. The next prime is 424126065889. The reversal of 424126065881 is 188560621424.

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 424126065881 - 2⁶ = 424126065817 is a prime.

It is a super-2 number, since 2×424126065881² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (424126065889) 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, 30294718985 + ... + 30294718998.

It is an arithmetic number, because the mean of its divisors is an integer number (121178875968).

Almost surely, 2^424126065881 is an apocalyptic number.

It is an amenable number.

424126065881 is a deficient number, since it is larger than the sum of its proper divisors (60589437991).

424126065881 is an equidigital number, since it uses as much as digits as its factorization.

424126065881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60589437990.

The product of its (nonzero) digits is 737280, while the sum is 47.

The spelling of 424126065881 in words is "four hundred twenty-four billion, one hundred twenty-six million, sixty-five thousand, eight hundred eighty-one".