16125097693 has 2 divisors, whose sum is σ = 16125097694. Its totient is φ = 16125097692.

The previous prime is 16125097663. The next prime is 16125097711. The reversal of 16125097693 is 39679052161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12375005049 + 3750092644 = 111243^2 + 61238^2 .

It is a cyclic number.

It is not a de Polignac number, because 16125097693 - 2⁹ = 16125097181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16125097603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8062548846 + 8062548847.

It is an arithmetic number, because the mean of its divisors is an integer number (8062548847).

Almost surely, 2^16125097693 is an apocalyptic number.

It is an amenable number.

16125097693 is a deficient number, since it is larger than the sum of its proper divisors (1).

16125097693 is an equidigital number, since it uses as much as digits as its factorization.

16125097693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 49.

The spelling of 16125097693 in words is "sixteen billion, one hundred twenty-five million, ninety-seven thousand, six hundred ninety-three".