15066610973 has 2 divisors, whose sum is σ = 15066610974. Its totient is φ = 15066610972.

The previous prime is 15066610957. The next prime is 15066611009. The reversal of 15066610973 is 37901666051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12199865209 + 2866745764 = 110453^2 + 53542^2 .

It is a cyclic number.

It is not a de Polignac number, because 15066610973 - 2⁴ = 15066610957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15066610913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7533305486 + 7533305487.

It is an arithmetic number, because the mean of its divisors is an integer number (7533305487).

Almost surely, 2^15066610973 is an apocalyptic number.

It is an amenable number.

15066610973 is a deficient number, since it is larger than the sum of its proper divisors (1).

15066610973 is an equidigital number, since it uses as much as digits as its factorization.

15066610973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 15066610973 in words is "fifteen billion, sixty-six million, six hundred ten thousand, nine hundred seventy-three".