300493243981 has 16 divisors (see below), whose sum is σ = 359491903488. Its totient is φ = 245746393200.

The previous prime is 300493243903. The next prime is 300493243987. The reversal of 300493243981 is 189342394003.

It is not a de Polignac number, because 300493243981 - 2⁹ = 300493243469 is a prime.

It is a super-2 number, since 2×300493243981² (a number of 24 digits) contains 22 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 (300493243987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9736435 + ... + 9767248.

It is an arithmetic number, because the mean of its divisors is an integer number (22468243968).

Almost surely, 2^300493243981 is an apocalyptic number.

300493243981 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

300493243981 is a deficient number, since it is larger than the sum of its proper divisors (58998659507).

300493243981 is a wasteful number, since it uses less digits than its factorization.

300493243981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19503792.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 300493243981 in words is "three hundred billion, four hundred ninety-three million, two hundred forty-three thousand, nine hundred eighty-one".