264421325364261 has 8 divisors (see below), whose sum is σ = 379681903087200. Its totient is φ = 162720815608752.

The previous prime is 264421325364247. The next prime is 264421325364283. The reversal of 264421325364261 is 162463523124462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 264421325364261 - 2¹⁴ = 264421325347877 is a prime.

It is a super-2 number, since 2×264421325364261² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264421325364221) 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, 3390016991811 + ... + 3390016991888.

It is an arithmetic number, because the mean of its divisors is an integer number (47460237885900).

Almost surely, 2^{264421325364261} is an apocalyptic number.

It is an amenable number.

264421325364261 is a deficient number, since it is larger than the sum of its proper divisors (115260577722939).

264421325364261 is a wasteful number, since it uses less digits than its factorization.

264421325364261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6780033983715.

The product of its digits is 9953280, while the sum is 51.

The spelling of 264421325364261 in words is "two hundred sixty-four trillion, four hundred twenty-one billion, three hundred twenty-five million, three hundred sixty-four thousand, two hundred sixty-one".