2121342435 has 48 divisors (see below), whose sum is σ = 3784850784. Its totient is φ = 1098510336.

The previous prime is 2121342427. The next prime is 2121342439. The reversal of 2121342435 is 5342431212.

2121342435 is a `hidden beast` number, since 21 + 213 + 424 + 3 + 5 = 666.

It is not a de Polignac number, because 2121342435 - 2³ = 2121342427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2121342399 and 2121342408.

It is not an unprimeable number, because it can be changed into a prime (2121342439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 331587 + ... + 337923.

It is an arithmetic number, because the mean of its divisors is an integer number (78851058).

Almost surely, 2^2121342435 is an apocalyptic number.

2121342435 is a deficient number, since it is larger than the sum of its proper divisors (1663508349).

2121342435 is a wasteful number, since it uses less digits than its factorization.

2121342435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6564 (or 6561 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2121342435 is about 46058.0333383873. The cubic root of 2121342435 is about 1284.9027537222.

Adding to 2121342435 its reverse (5342431212), we get a palindrome (7463773647).

The spelling of 2121342435 in words is "two billion, one hundred twenty-one million, three hundred forty-two thousand, four hundred thirty-five".