236464425481 has 4 divisors (see below), whose sum is σ = 236505151872. Its totient is φ = 236423699092.

The previous prime is 236464425443. The next prime is 236464425487. The reversal of 236464425481 is 184524464632.

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 236464425481 - 2²¹ = 236462328329 is a prime.

It is a super-2 number, since 2×236464425481² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (236464425487) 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, 20354485 + ... + 20366098.

It is an arithmetic number, because the mean of its divisors is an integer number (59126287968).

Almost surely, 2^236464425481 is an apocalyptic number.

It is an amenable number.

236464425481 is a deficient number, since it is larger than the sum of its proper divisors (40726391).

236464425481 is an equidigital number, since it uses as much as digits as its factorization.

236464425481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40726390.

The product of its digits is 4423680, while the sum is 49.

The spelling of 236464425481 in words is "two hundred thirty-six billion, four hundred sixty-four million, four hundred twenty-five thousand, four hundred eighty-one".