465272895821 has 4 divisors (see below), whose sum is σ = 480281698944. Its totient is φ = 450264092700.

The previous prime is 465272895809. The next prime is 465272895823. The reversal of 465272895821 is 128598272564.

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 465272895821 - 2⁶ = 465272895757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465272895823) 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, 7504401515 + ... + 7504401576.

It is an arithmetic number, because the mean of its divisors is an integer number (120070424736).

Almost surely, 2^465272895821 is an apocalyptic number.

It is an amenable number.

465272895821 is a deficient number, since it is larger than the sum of its proper divisors (15008803123).

465272895821 is a wasteful number, since it uses less digits than its factorization.

465272895821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15008803122.

The product of its digits is 19353600, while the sum is 59.

The spelling of 465272895821 in words is "four hundred sixty-five billion, two hundred seventy-two million, eight hundred ninety-five thousand, eight hundred twenty-one".