1621074603483 has 32 divisors (see below), whose sum is σ = 2501865273600. Its totient is φ = 1036486958400.

The previous prime is 1621074603481. The next prime is 1621074603497. The reversal of 1621074603483 is 3843064701261.

1621074603483 is a `hidden beast` number, since 1 + 6 + 2 + 107 + 4 + 60 + 3 + 483 = 666.

It is not a de Polignac number, because 1621074603483 - 2¹ = 1621074603481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1621074603481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12344733 + ... + 12475358.

It is an arithmetic number, because the mean of its divisors is an integer number (78183289800).

Almost surely, 2^{1621074603483} is an apocalyptic number.

1621074603483 is a deficient number, since it is larger than the sum of its proper divisors (880790670117).

1621074603483 is a wasteful number, since it uses less digits than its factorization.

1621074603483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24820200 (or 24820194 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 1621074603483 in words is "one trillion, six hundred twenty-one billion, seventy-four million, six hundred three thousand, four hundred eighty-three".