150190403621 has 2 divisors, whose sum is σ = 150190403622. Its totient is φ = 150190403620.

The previous prime is 150190403603. The next prime is 150190403681. The reversal of 150190403621 is 126304091051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138897090721 + 11293312900 = 372689^2 + 106270^2 .

It is an emirp because it is prime and its reverse (126304091051) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150190403621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150190403681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75095201810 + 75095201811.

It is an arithmetic number, because the mean of its divisors is an integer number (75095201811).

Almost surely, 2^150190403621 is an apocalyptic number.

It is an amenable number.

150190403621 is a deficient number, since it is larger than the sum of its proper divisors (1).

150190403621 is an equidigital number, since it uses as much as digits as its factorization.

150190403621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

Adding to 150190403621 its reverse (126304091051), we get a palindrome (276494494672).

The spelling of 150190403621 in words is "one hundred fifty billion, one hundred ninety million, four hundred three thousand, six hundred twenty-one".