21970694014 has 16 divisors (see below), whose sum is σ = 33170306400. Its totient is φ = 10913992704.

The previous prime is 21970693999. The next prime is 21970694047. The reversal of 21970694014 is 41049607912.

It is a super-2 number, since 2×21970694014² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681982 + ... + 713470.

It is an arithmetic number, because the mean of its divisors is an integer number (2073144150).

Almost surely, 2^21970694014 is an apocalyptic number.

21970694014 is a deficient number, since it is larger than the sum of its proper divisors (11199612386).

21970694014 is a wasteful number, since it uses less digits than its factorization.

21970694014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33747.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 21970694014 in words is "twenty-one billion, nine hundred seventy million, six hundred ninety-four thousand, fourteen".