15264446670197 has 2 divisors, whose sum is σ = 15264446670198. Its totient is φ = 15264446670196.

The previous prime is 15264446670139. The next prime is 15264446670223. The reversal of 15264446670197 is 79107664446251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15082651882321 + 181794787876 = 3883639^2 + 426374^2 .

It is a cyclic number.

It is not a de Polignac number, because 15264446670197 - 2¹² = 15264446666101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15264446670997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7632223335098 + 7632223335099.

It is an arithmetic number, because the mean of its divisors is an integer number (7632223335099).

Almost surely, 2^{15264446670197} is an apocalyptic number.

It is an amenable number.

15264446670197 is a deficient number, since it is larger than the sum of its proper divisors (1).

15264446670197 is an equidigital number, since it uses as much as digits as its factorization.

15264446670197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60963840, while the sum is 62.

The spelling of 15264446670197 in words is "fifteen trillion, two hundred sixty-four billion, four hundred forty-six million, six hundred seventy thousand, one hundred ninety-seven".