15675400013573 has 2 divisors, whose sum is σ = 15675400013574. Its totient is φ = 15675400013572.

The previous prime is 15675400013531. The next prime is 15675400013671. The reversal of 15675400013573 is 37531000457651.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13697711885764 + 1977688127809 = 3701042^2 + 1406303^2 .

It is an emirp because it is prime and its reverse (37531000457651) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15675400013573 - 2³² = 15671105046277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15675400013513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7837700006786 + 7837700006787.

It is an arithmetic number, because the mean of its divisors is an integer number (7837700006787).

Almost surely, 2^{15675400013573} is an apocalyptic number.

It is an amenable number.

15675400013573 is a deficient number, since it is larger than the sum of its proper divisors (1).

15675400013573 is an equidigital number, since it uses as much as digits as its factorization.

15675400013573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1323000, while the sum is 47.

The spelling of 15675400013573 in words is "fifteen trillion, six hundred seventy-five billion, four hundred million, thirteen thousand, five hundred seventy-three".