8973595195261 has 2 divisors, whose sum is σ = 8973595195262. Its totient is φ = 8973595195260.

The previous prime is 8973595195177. The next prime is 8973595195273. The reversal of 8973595195261 is 1625915953798.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8031130905625 + 942464289636 = 2833925^2 + 970806^2 .

It is a cyclic number.

It is not a de Polignac number, because 8973595195261 - 2²⁵ = 8973561640829 is a prime.

It is a super-2 number, since 2×8973595195261² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8973595196261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4486797597630 + 4486797597631.

It is an arithmetic number, because the mean of its divisors is an integer number (4486797597631).

Almost surely, 2^{8973595195261} is an apocalyptic number.

It is an amenable number.

8973595195261 is a deficient number, since it is larger than the sum of its proper divisors (1).

8973595195261 is an equidigital number, since it uses as much as digits as its factorization.

8973595195261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 183708000, while the sum is 70.

The spelling of 8973595195261 in words is "eight trillion, nine hundred seventy-three billion, five hundred ninety-five million, one hundred ninety-five thousand, two hundred sixty-one".