21092193070 has 32 divisors (see below), whose sum is σ = 41007814848. Its totient is φ = 7764761088.

The previous prime is 21092193061. The next prime is 21092193091. The reversal of 21092193070 is 7039129012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 196914 + ... + 284533.

It is an arithmetic number, because the mean of its divisors is an integer number (1281494214).

Almost surely, 2^21092193070 is an apocalyptic number.

21092193070 is a deficient number, since it is larger than the sum of its proper divisors (19915621778).

21092193070 is a wasteful number, since it uses less digits than its factorization.

21092193070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481804.

The product of its (nonzero) digits is 6804, while the sum is 34.

The spelling of 21092193070 in words is "twenty-one billion, ninety-two million, one hundred ninety-three thousand, seventy".