1621462316241 has 32 divisors (see below), whose sum is σ = 2191736131200. Its totient is φ = 1066164664320.

The previous prime is 1621462316219. The next prime is 1621462316297. The reversal of 1621462316241 is 1426132641261.

It is not a de Polignac number, because 1621462316241 - 2⁷ = 1621462316113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1621462316241.

It is not an unprimeable number, because it can be changed into a prime (1621462396241) 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 31 ways as a sum of consecutive naturals, for example, 103739215 + ... + 103754843.

It is an arithmetic number, because the mean of its divisors is an integer number (68491754100).

Almost surely, 2^{1621462316241} is an apocalyptic number.

It is an amenable number.

1621462316241 is a deficient number, since it is larger than the sum of its proper divisors (570273814959).

1621462316241 is a wasteful number, since it uses less digits than its factorization.

1621462316241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16929.

The product of its digits is 82944, while the sum is 39.

The spelling of 1621462316241 in words is "one trillion, six hundred twenty-one billion, four hundred sixty-two million, three hundred sixteen thousand, two hundred forty-one".