1621462316242 has 8 divisors (see below), whose sum is σ = 2433309678000. Its totient is φ = 810359090244.

The previous prime is 1621462316219. The next prime is 1621462316297. The reversal of 1621462316242 is 2426132641261.

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

It is a junction number, because it is equal to n+sod(n) for n = 1621462316195 and 1621462316204.

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 in 3 ways as a sum of consecutive naturals, for example, 186028492 + ... + 186037207.

It is an arithmetic number, because the mean of its divisors is an integer number (304163709750).

Almost surely, 2^{1621462316242} is an apocalyptic number.

1621462316242 is a deficient number, since it is larger than the sum of its proper divisors (811847361758).

1621462316242 is a wasteful number, since it uses less digits than its factorization.

1621462316242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372067880.

The product of its digits is 165888, while the sum is 40.

The spelling of 1621462316242 in words is "one trillion, six hundred twenty-one billion, four hundred sixty-two million, three hundred sixteen thousand, two hundred forty-two".