150443402602421 has 2 divisors, whose sum is σ = 150443402602422. Its totient is φ = 150443402602420.

The previous prime is 150443402602403. The next prime is 150443402602457. The reversal of 150443402602421 is 124206204344051.

150443402602421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149649004738321 + 794397864100 = 12233111^2 + 891290^2 .

It is a cyclic number.

It is not a de Polignac number, because 150443402602421 - 2¹⁰ = 150443402601397 is a prime.

It is a super-2 number, since 2×150443402602421² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150443402601421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75221701301210 + 75221701301211.

It is an arithmetic number, because the mean of its divisors is an integer number (75221701301211).

Almost surely, 2^{150443402602421} is an apocalyptic number.

It is an amenable number.

150443402602421 is a deficient number, since it is larger than the sum of its proper divisors (1).

150443402602421 is an equidigital number, since it uses as much as digits as its factorization.

150443402602421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 184320, while the sum is 38.

Adding to 150443402602421 its reverse (124206204344051), we get a palindrome (274649606946472).

The spelling of 150443402602421 in words is "one hundred fifty trillion, four hundred forty-three billion, four hundred two million, six hundred two thousand, four hundred twenty-one".