2642096421 has 16 divisors (see below), whose sum is σ = 3961379520. Its totient is φ = 1740174480.

The previous prime is 2642096383. The next prime is 2642096423. The reversal of 2642096421 is 1246902462.

2642096421 is a `hidden beast` number, since 2 + 6 + 4 + 2 + 0 + 9 + 642 + 1 = 666.

It is not a de Polignac number, because 2642096421 - 2⁹ = 2642095909 is a prime.

It is a super-2 number, since 2×2642096421² = 13961346995722018482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642096423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587250 + ... + 591731.

It is an arithmetic number, because the mean of its divisors is an integer number (247586220).

Almost surely, 2^2642096421 is an apocalyptic number.

It is an amenable number.

2642096421 is a deficient number, since it is larger than the sum of its proper divisors (1319283099).

2642096421 is a wasteful number, since it uses less digits than its factorization.

2642096421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179073 (or 1179067 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 2642096421 is about 51401.3270353986. The cubic root of 2642096421 is about 1382.4503864902.

Adding to 2642096421 its reverse (1246902462), we get a palindrome (3888998883).

The spelling of 2642096421 in words is "two billion, six hundred forty-two million, ninety-six thousand, four hundred twenty-one".