300138542793049 has 9 divisors (see below), whose sum is σ = 303799693084383. Its totient is φ = 296520995161872.

The previous prime is 300138542793043. The next prime is 300138542793083. The reversal of 300138542793049 is 940397245831003.

The square root of 300138542793049 is 17324507.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 219427724226649 + 80710818566400 = 14813093^2 + 8983920^2 .

It is not a de Polignac number, because 300138542793049 - 2⁵ = 300138542793017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 300138542792984 and 300138542793002.

It is not an unprimeable number, because it can be changed into a prime (300138542793043) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1437829717 + ... + 1438038445.

Almost surely, 2^{300138542793049} is an apocalyptic number.

300138542793049 is the 17324507-th square number.

300138542793049 is the 8662254-th centered octagonal number.

It is an amenable number.

300138542793049 is a deficient number, since it is larger than the sum of its proper divisors (3661150291334).

300138542793049 is an frugal number, since it uses more digits than its factorization.

300138542793049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417624 (or 208812 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 58.

The spelling of 300138542793049 in words is "three hundred trillion, one hundred thirty-eight billion, five hundred forty-two million, seven hundred ninety-three thousand, forty-nine".