150242429921 has 2 divisors, whose sum is σ = 150242429922. Its totient is φ = 150242429920.

The previous prime is 150242429867. The next prime is 150242430053. The reversal of 150242429921 is 129924242051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137614289296 + 12628140625 = 370964^2 + 112375^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150242429921 is a prime.

It is not a weakly prime, because it can be changed into another prime (150242479921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75121214960 + 75121214961.

It is an arithmetic number, because the mean of its divisors is an integer number (75121214961).

Almost surely, 2^150242429921 is an apocalyptic number.

It is an amenable number.

150242429921 is a deficient number, since it is larger than the sum of its proper divisors (1).

150242429921 is an equidigital number, since it uses as much as digits as its factorization.

150242429921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 150242429921 in words is "one hundred fifty billion, two hundred forty-two million, four hundred twenty-nine thousand, nine hundred twenty-one".