21070510437622 has 4 divisors (see below), whose sum is σ = 31605765656436. Its totient is φ = 10535255218810.

The previous prime is 21070510437619. The next prime is 21070510437689. The reversal of 21070510437622 is 22673401507012.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5267627609404 + ... + 5267627609407.

It is an arithmetic number, because the mean of its divisors is an integer number (7901441414109).

Almost surely, 2^{21070510437622} is an apocalyptic number.

21070510437622 is a deficient number, since it is larger than the sum of its proper divisors (10535255218814).

21070510437622 is a wasteful number, since it uses less digits than its factorization.

21070510437622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10535255218813.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 21070510437622 in words is "twenty-one trillion, seventy billion, five hundred ten million, four hundred thirty-seven thousand, six hundred twenty-two".