241981978493 has 8 divisors (see below), whose sum is σ = 256409315712. Its totient is φ = 227576097216.

The previous prime is 241981978481. The next prime is 241981978523. The reversal of 241981978493 is 394879189142.

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

It is not a de Polignac number, because 241981978493 - 2¹⁸ = 241981716349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241981978993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5340755 + ... + 5385872.

It is an arithmetic number, because the mean of its divisors is an integer number (32051164464).

Almost surely, 2^241981978493 is an apocalyptic number.

It is an amenable number.

241981978493 is a deficient number, since it is larger than the sum of its proper divisors (14427337219).

241981978493 is a wasteful number, since it uses less digits than its factorization.

241981978493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10727971.

The product of its digits is 31352832, while the sum is 65.

The spelling of 241981978493 in words is "two hundred forty-one billion, nine hundred eighty-one million, nine hundred seventy-eight thousand, four hundred ninety-three".