948279831421 has 16 divisors (see below), whose sum is σ = 1063192600624. Its totient is φ = 840010673664.

The previous prime is 948279831413. The next prime is 948279831431. The reversal of 948279831421 is 124138972849.

It can be written as a sum of positive squares in 8 ways, for example, as 78630328921 + 869649502500 = 280411^2 + 932550^2 .

It is a cyclic number.

It is not a de Polignac number, because 948279831421 - 2³ = 948279831413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (948279831431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13468146 + ... + 13538371.

It is an arithmetic number, because the mean of its divisors is an integer number (66449537539).

Almost surely, 2^948279831421 is an apocalyptic number.

It is an amenable number.

948279831421 is a deficient number, since it is larger than the sum of its proper divisors (114912769203).

948279831421 is a wasteful number, since it uses less digits than its factorization.

948279831421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27006640.

The product of its digits is 6967296, while the sum is 58.

The spelling of 948279831421 in words is "nine hundred forty-eight billion, two hundred seventy-nine million, eight hundred thirty-one thousand, four hundred twenty-one".