866130150015373 has 2 divisors, whose sum is σ = 866130150015374. Its totient is φ = 866130150015372.

The previous prime is 866130150015367. The next prime is 866130150015461. The reversal of 866130150015373 is 373510051031668.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 864613858236489 + 1516291778884 = 29404317^2 + 1231378^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-866130150015373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (866130156015373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433065075007686 + 433065075007687.

It is an arithmetic number, because the mean of its divisors is an integer number (433065075007687).

Almost surely, 2^{866130150015373} is an apocalyptic number.

It is an amenable number.

866130150015373 is a deficient number, since it is larger than the sum of its proper divisors (1).

866130150015373 is an equidigital number, since it uses as much as digits as its factorization.

866130150015373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 866130150015373 in words is "eight hundred sixty-six trillion, one hundred thirty billion, one hundred fifty million, fifteen thousand, three hundred seventy-three".