21342986486 has 8 divisors (see below), whose sum is σ = 32795320824. Its totient is φ = 10411212880.

The previous prime is 21342986477. The next prime is 21342986507. The reversal of 21342986486 is 68468924312.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130140080 + ... + 130140243.

It is an arithmetic number, because the mean of its divisors is an integer number (4099415103).

Almost surely, 2^21342986486 is an apocalyptic number.

21342986486 is a deficient number, since it is larger than the sum of its proper divisors (11452334338).

21342986486 is a wasteful number, since it uses less digits than its factorization.

21342986486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260280366.

The product of its digits is 3981312, while the sum is 53.

The spelling of 21342986486 in words is "twenty-one billion, three hundred forty-two million, nine hundred eighty-six thousand, four hundred eighty-six".