272421363601 has 4 divisors (see below), whose sum is σ = 272422407604. Its totient is φ = 272420319600.

The previous prime is 272421363569. The next prime is 272421363611. The reversal of 272421363601 is 106363124272.

It is a Cunningham number, because it is equal to 521940²+1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 263538489600 + 8882874001 = 513360^2 + 94249^2 .

It is a cyclic number.

It is not a de Polignac number, because 272421363601 - 2⁵ = 272421363569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272421363611) 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, 249031 + ... + 779011.

It is an arithmetic number, because the mean of its divisors is an integer number (68105601901).

Almost surely, 2^272421363601 is an apocalyptic number.

It is an amenable number.

272421363601 is a deficient number, since it is larger than the sum of its proper divisors (1044003).

272421363601 is an equidigital number, since it uses as much as digits as its factorization.

272421363601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044002.

The product of its (nonzero) digits is 72576, while the sum is 37.

Adding to 272421363601 its reverse (106363124272), we get a palindrome (378784487873).

The spelling of 272421363601 in words is "two hundred seventy-two billion, four hundred twenty-one million, three hundred sixty-three thousand, six hundred one".