1621162930293 has 12 divisors (see below), whose sum is σ = 2345390857888. Its totient is φ = 1079062485480.

The previous prime is 1621162930291. The next prime is 1621162930379. The reversal of 1621162930293 is 3920392611261.

1621162930293 is a `hidden beast` number, since 1 + 6 + 2 + 11 + 629 + 3 + 0 + 2 + 9 + 3 = 666.

It is not a de Polignac number, because 1621162930293 - 2¹ = 1621162930291 is a prime.

It is a super-3 number, since 3×1621162930293³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1621162930291) 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 11 ways as a sum of consecutive naturals, for example, 142727455 + ... + 142738812.

Almost surely, 2^{1621162930293} is an apocalyptic number.

It is an amenable number.

1621162930293 is a deficient number, since it is larger than the sum of its proper divisors (724227927595).

1621162930293 is a wasteful number, since it uses less digits than its factorization.

1621162930293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285466904 (or 285466901 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 1621162930293 in words is "one trillion, six hundred twenty-one billion, one hundred sixty-two million, nine hundred thirty thousand, two hundred ninety-three".