300440454513421 has 2 divisors, whose sum is σ = 300440454513422. Its totient is φ = 300440454513420.

The previous prime is 300440454513403. The next prime is 300440454513527. The reversal of 300440454513421 is 124315454044003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297205532122500 + 3234922390921 = 17239650^2 + 1798589^2 .

It is a cyclic number.

It is not a de Polignac number, because 300440454513421 - 2⁵ = 300440454513389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (300440454519421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150220227256710 + 150220227256711.

It is an arithmetic number, because the mean of its divisors is an integer number (150220227256711).

Almost surely, 2^{300440454513421} is an apocalyptic number.

It is an amenable number.

300440454513421 is a deficient number, since it is larger than the sum of its proper divisors (1).

300440454513421 is an equidigital number, since it uses as much as digits as its factorization.

300440454513421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 460800, while the sum is 40.

The spelling of 300440454513421 in words is "three hundred trillion, four hundred forty billion, four hundred fifty-four million, five hundred thirteen thousand, four hundred twenty-one".