82295013421 has 4 divisors (see below), whose sum is σ = 82358172832. Its totient is φ = 82231854012.

The previous prime is 82295013389. The next prime is 82295013433. The reversal of 82295013421 is 12431059228.

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 82295013421 - 2⁵ = 82295013389 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 (82295013221) 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, 31577751 + ... + 31580356.

It is an arithmetic number, because the mean of its divisors is an integer number (20589543208).

Almost surely, 2^82295013421 is an apocalyptic number.

It is an amenable number.

82295013421 is a deficient number, since it is larger than the sum of its proper divisors (63159411).

82295013421 is a wasteful number, since it uses less digits than its factorization.

82295013421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63159410.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 82295013421 in words is "eighty-two billion, two hundred ninety-five million, thirteen thousand, four hundred twenty-one".