151505332633649 has 2 divisors, whose sum is σ = 151505332633650. Its totient is φ = 151505332633648.

The previous prime is 151505332633609. The next prime is 151505332633679. The reversal of 151505332633649 is 946336233505151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118615187923600 + 32890144710049 = 10891060^2 + 5734993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151505332633649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 151505332633594 and 151505332633603.

It is not a weakly prime, because it can be changed into another prime (151505332633609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75752666316824 + 75752666316825.

It is an arithmetic number, because the mean of its divisors is an integer number (75752666316825).

Almost surely, 2^{151505332633649} is an apocalyptic number.

It is an amenable number.

151505332633649 is a deficient number, since it is larger than the sum of its proper divisors (1).

151505332633649 is an equidigital number, since it uses as much as digits as its factorization.

151505332633649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244000, while the sum is 56.

The spelling of 151505332633649 in words is "one hundred fifty-one trillion, five hundred five billion, three hundred thirty-two million, six hundred thirty-three thousand, six hundred forty-nine".