15450450150197 has 2 divisors, whose sum is σ = 15450450150198. Its totient is φ = 15450450150196.

The previous prime is 15450450150101. The next prime is 15450450150251. The reversal of 15450450150197 is 79105105405451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15117741527716 + 332708622481 = 3888154^2 + 576809^2 .

It is a cyclic number.

It is not a de Polignac number, because 15450450150197 - 2²⁰ = 15450449101621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15450450150997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7725225075098 + 7725225075099.

It is an arithmetic number, because the mean of its divisors is an integer number (7725225075099).

Almost surely, 2^{15450450150197} is an apocalyptic number.

It is an amenable number.

15450450150197 is a deficient number, since it is larger than the sum of its proper divisors (1).

15450450150197 is an equidigital number, since it uses as much as digits as its factorization.

15450450150197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630000, while the sum is 47.

The spelling of 15450450150197 in words is "fifteen trillion, four hundred fifty billion, four hundred fifty million, one hundred fifty thousand, one hundred ninety-seven".