2839956230421 has 12 divisors (see below), whose sum is σ = 4129690269900. Its totient is φ = 1880597413440.

The previous prime is 2839956230413. The next prime is 2839956230429. The reversal of 2839956230421 is 1240326599382.

2839956230421 is a `hidden beast` number, since 2 + 8 + 3 + 9 + 9 + 5 + 623 + 0 + 4 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (2839956230413) and next prime (2839956230429).

It can be written as a sum of positive squares in 2 ways, for example, as 216819678321 + 2623136552100 = 465639^2 + 1619610^2 .

It is not a de Polignac number, because 2839956230421 - 2³ = 2839956230413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2839956230429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1058893600 + ... + 1058896281.

It is an arithmetic number, because the mean of its divisors is an integer number (344140855825).

Almost surely, 2^{2839956230421} is an apocalyptic number.

It is an amenable number.

2839956230421 is a deficient number, since it is larger than the sum of its proper divisors (1289734039479).

2839956230421 is a wasteful number, since it uses less digits than its factorization.

2839956230421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117790036 (or 2117790033 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 2839956230421 in words is "two trillion, eight hundred thirty-nine billion, nine hundred fifty-six million, two hundred thirty thousand, four hundred twenty-one".