21860675002 has 8 divisors (see below), whose sum is σ = 32794068096. Its totient is φ = 10929318972.

The previous prime is 21860674993. The next prime is 21860675009. The reversal of 21860675002 is 20057606812.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21860675002² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21860675009) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 482148 + ... + 525535.

It is an arithmetic number, because the mean of its divisors is an integer number (4099258512).

Almost surely, 2^21860675002 is an apocalyptic number.

21860675002 is a deficient number, since it is larger than the sum of its proper divisors (10933393094).

21860675002 is a wasteful number, since it uses less digits than its factorization.

21860675002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018532.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 21860675002 in words is "twenty-one billion, eight hundred sixty million, six hundred seventy-five thousand, two".