465374642261 has 4 divisors (see below), whose sum is σ = 472320532512. Its totient is φ = 458428752012.

The previous prime is 465374642219. The next prime is 465374642267. The reversal of 465374642261 is 162246473564.

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 a de Polignac number, because none of the positive numbers 2^k-465374642261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465374642267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3472945025 + ... + 3472945158.

It is an arithmetic number, because the mean of its divisors is an integer number (118080133128).

Almost surely, 2^465374642261 is an apocalyptic number.

It is an amenable number.

465374642261 is a deficient number, since it is larger than the sum of its proper divisors (6945890251).

465374642261 is an equidigital number, since it uses as much as digits as its factorization.

465374642261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6945890250.

The product of its digits is 5806080, while the sum is 50.

The spelling of 465374642261 in words is "four hundred sixty-five billion, three hundred seventy-four million, six hundred forty-two thousand, two hundred sixty-one".