150002006621 has 2 divisors, whose sum is σ = 150002006622. Its totient is φ = 150002006620.

The previous prime is 150002006597. The next prime is 150002006699. The reversal of 150002006621 is 126600200051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110326944025 + 39675062596 = 332155^2 + 199186^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150002006621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150002006321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75001003310 + 75001003311.

It is an arithmetic number, because the mean of its divisors is an integer number (75001003311).

Almost surely, 2^150002006621 is an apocalyptic number.

It is an amenable number.

150002006621 is a deficient number, since it is larger than the sum of its proper divisors (1).

150002006621 is an equidigital number, since it uses as much as digits as its factorization.

150002006621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 150002006621 its reverse (126600200051), we get a palindrome (276602206672).

The spelling of 150002006621 in words is "one hundred fifty billion, two million, six thousand, six hundred twenty-one".