11973020493 has 24 divisors (see below), whose sum is σ = 18712188000. Its totient is φ = 6789488160.

The previous prime is 11973020473. The next prime is 11973020567. The reversal of 11973020493 is 39402037911.

It is not a de Polignac number, because 11973020493 - 2¹³ = 11973012301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11973020413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 291618 + ... + 330131.

It is an arithmetic number, because the mean of its divisors is an integer number (779674500).

Almost surely, 2^11973020493 is an apocalyptic number.

It is an amenable number.

11973020493 is a deficient number, since it is larger than the sum of its proper divisors (6739167507).

11973020493 is a wasteful number, since it uses less digits than its factorization.

11973020493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621897 (or 621890 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The spelling of 11973020493 in words is "eleven billion, nine hundred seventy-three million, twenty thousand, four hundred ninety-three".