21413011034 has 4 divisors (see below), whose sum is σ = 32119516554. Its totient is φ = 10706505516.

The previous prime is 21413011031. The next prime is 21413011091. The reversal of 21413011034 is 43011031412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17661081025 + 3751930009 = 132895^2 + 61253^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21413010997 and 21413011015.

It is not an unprimeable number, because it can be changed into a prime (21413011031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5353252757 + ... + 5353252760.

Almost surely, 2^21413011034 is an apocalyptic number.

21413011034 is a deficient number, since it is larger than the sum of its proper divisors (10706505520).

21413011034 is a wasteful number, since it uses less digits than its factorization.

21413011034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10706505519.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21413011034 its reverse (43011031412), we get a palindrome (64424042446).

The spelling of 21413011034 in words is "twenty-one billion, four hundred thirteen million, eleven thousand, thirty-four".